Built from the content collections at build time — always current.
Interactive knowledge graph: 118 nodes and 500 links between portfolio pages. Each node is keyboard-focusable; press Enter or Space to open its page. A full list of nodes and their links follows the graphic.
Projects: A/B Testing Methodology Toolkit (Hubs), Airflow DAG Platform (Hubs), Data Analyst Telegram Bot (Hubs), Causal / Uplift — CUPED and Individual Treatment Effects (Hubs), Churn Prediction — Leakage-Free Retention Model (Hubs), ClickHouse — ten SQL cases on 50M rows (Hubs), Cohort Analysis Dashboard (Hubs), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Hubs), Delivery Control Tower (Hubs), Browser Mini-Games — Analytics Arcade (Hubs), Digital Garden — EQ in IT (Hubs), GMV Drop RCA — root cause on real data (Hubs), LinkedIn Content Analytics (Hubs), Classifieds liquidity — a measurability audit (Hubs), ML Fundamentals — scikit-learn Pipeline (Hubs), Matemarketing 2026 Programme — a static replica (Hubs), OSS catalog — 47 projects from one source (Hubs), TaskFlow — PostHog Product Analytics Pipeline (Hubs), Product A/B & Funnel Analytics — Conversion versus Retention (Hubs), Promo Margin Lab — what a promo rouble actually earns (Hubs), Python Analytics Playground (Hubs), RAG Evaluation Harness — retrieval and generation metrics (Hubs), RFM Analysis of Bank Clients (Hubs), Sales Calls Analytics Dashboard (Hubs), Scrolly English Speaking (Hubs), SERP Rank Lab (Hubs), This Portfolio Site (Hubs), SQL Analytics Case Study (Hubs), Product Analytics Dashboard (Streamlit) (Hubs), Product Analytics + A/B on Supabase (Hubs), Volta Neobank — Product Analytics (Hubs), Nikita Boyarkin (Hubs)
Articles: Calibrating A/B methods with simulation: how to verify a method before production (Hubs), Кейсы с собеседований: как диагностировать просадку метрики (Hubs), Проактивность аналитика за рамками роли (Hubs), Почему мы перешли на байесовское A/B-тестирование (Hubs), Churn + uplift: кому дать скидку (причинный таргетинг) (Hubs), Когортный анализ удержания (Hubs), Why the aggregate lies: cohort retention triangles (Hubs), Дашборды, которые не врут: принципы продуктовой визуализации (Hubs), Чек-лист портфолио дата-аналитика (Hubs), EDA-шаблон с кодом: разведочный анализ по-продуктовому (Hubs), Feature Impact: как измерить влияние фичи, когда A/B невозможен (Hubs), Первая транзакция: как измерить активацию финтех-продукта (Hubs), GitHub Actions для аналитика: автоматизация без очереди к разработке (Hubs), North Star и конфликты метрик: почему одна метрика ломает продукт (Hubs), Платёжные отказы: как вернуть потерянный revenue (Hubs), Продакт × аналитик: три кейса коллаборации (Hubs), Воспроизводимые пайплайны данных: от seed до CI (Hubs), RFM-сегментация клиентов (Hubs), Оконные функции: gaps-and-islands, топ-N, range-join для stickiness (Hubs), Streamlit-дашборд за выходные: прототип без BI-системы (Hubs), Автоматизация недельных отчётов через Telegram-бота (Hubs), Юнит-экономика: CAC, LTV, payback и когорты (Hubs), User Journey / Path Analysis: где теряется пользователь (Hubs), Кейс Volta: воронка, A/B и retention на синтетике необанка (Hubs), Nikita Boyarkin (Hubs)
Glossary: A/A test (Hubs), A/B test (Hubs), ARPU (Hubs), Bootstrap (Hubs), CAC and unit economics (Hubs), Churn (Hubs), Cohort (Hubs), Confidence interval (Hubs), Correlation and causation (Hubs), CUPED (Hubs), DAU / MAU and stickiness (Hubs), Funnel (Hubs), Guardrail metric (Hubs), LTV (Hubs), Minimum detectable effect (MDE) (Hubs), North Star metric (Hubs), NPS (Hubs), p-value (Hubs), Retention (Hubs), Retention curve (Hubs), RFM segmentation (Hubs), Sample size (Hubs), Segmentation (Hubs), Sample Ratio Mismatch (SRM) (Hubs), Statistical power (Hubs), Time to convert (Hubs), Uplift modelling (Hubs), Nikita Boyarkin (Hubs)
A/B Testing Methodology Toolkit: Volta Neobank — Product Analytics (Explicit), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Explicit), LinkedIn Content Analytics (Explicit), Product A/B & Funnel Analytics — Conversion versus Retention (Explicit), SERP Rank Lab (Explicit), Confidence interval (Explicit), Sample size (Explicit), Causal / Uplift — CUPED and Individual Treatment Effects (Explicit), Delivery Control Tower (Explicit), Browser Mini-Games — Analytics Arcade (Explicit), ML Fundamentals — scikit-learn Pipeline (Explicit), Promo Margin Lab — what a promo rouble actually earns (Explicit), Calibrating A/B methods with simulation: how to verify a method before production (Explicit), Почему мы перешли на байесовское A/B-тестирование (Explicit), A/A test (Explicit), Minimum detectable effect (MDE) (Explicit), p-value (Explicit), Sample Ratio Mismatch (SRM) (Explicit), Statistical power (Explicit), Projects (Hubs), Airflow DAG Platform (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), Python Analytics Playground (Lateral), RAG Evaluation Harness — retrieval and generation metrics (Lateral)
Airflow DAG Platform: Volta Neobank — Product Analytics (Explicit), SQL Analytics Case Study (Explicit), Воспроизводимые пайплайны данных: от seed до CI (Explicit), GitHub Actions для аналитика: автоматизация без очереди к разработке (Explicit), ClickHouse — ten SQL cases on 50M rows (Explicit), Projects (Hubs), A/B Testing Methodology Toolkit (Lateral), Causal / Uplift — CUPED and Individual Treatment Effects (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Lateral), LinkedIn Content Analytics (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Promo Margin Lab — what a promo rouble actually earns (Lateral), Python Analytics Playground (Lateral), RAG Evaluation Harness — retrieval and generation metrics (Lateral), SERP Rank Lab (Lateral)
Data Analyst Telegram Bot: Автоматизация недельных отчётов через Telegram-бота (Explicit), Python Analytics Playground (Explicit), Projects (Hubs), ML Fundamentals — scikit-learn Pipeline (Lateral)
Causal / Uplift — CUPED and Individual Treatment Effects: A/B Testing Methodology Toolkit (Explicit), Churn + uplift: кому дать скидку (причинный таргетинг) (Explicit), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Explicit), Promo Margin Lab — what a promo rouble actually earns (Explicit), Correlation and causation (Explicit), RAG Evaluation Harness — retrieval and generation metrics (Explicit), Bootstrap (Explicit), CUPED (Explicit), Uplift modelling (Explicit), Projects (Hubs), Airflow DAG Platform (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), LinkedIn Content Analytics (Lateral), ML Fundamentals — scikit-learn Pipeline (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Python Analytics Playground (Lateral), SERP Rank Lab (Lateral), SQL Analytics Case Study (Lateral), Volta Neobank — Product Analytics (Lateral)
Churn Prediction — Leakage-Free Retention Model: Churn + uplift: кому дать скидку (причинный таргетинг) (Explicit), ML Fundamentals — scikit-learn Pipeline (Explicit), Платёжные отказы: как вернуть потерянный revenue (Explicit), Churn (Explicit), Projects (Hubs), retention (Thematic), A/B Testing Methodology Toolkit (Lateral), Airflow DAG Platform (Lateral), Causal / Uplift — CUPED and Individual Treatment Effects (Lateral), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Lateral), LinkedIn Content Analytics (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Promo Margin Lab — what a promo rouble actually earns (Lateral), Python Analytics Playground (Lateral), RAG Evaluation Harness — retrieval and generation metrics (Lateral), SERP Rank Lab (Lateral), SQL Analytics Case Study (Lateral), Volta Neobank — Product Analytics (Lateral)
ClickHouse — ten SQL cases on 50M rows: SQL Analytics Case Study (Explicit), Airflow DAG Platform (Explicit), Projects (Hubs), sql (Thematic), GMV Drop RCA — root cause on real data (Lateral), Classifieds liquidity — a measurability audit (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), SERP Rank Lab (Lateral)
Cohort Analysis Dashboard: Когортный анализ удержания (Explicit), Delivery Control Tower (Explicit), Browser Mini-Games — Analytics Arcade (Explicit), SERP Rank Lab (Explicit), Why the aggregate lies: cohort retention triangles (Explicit), Cohort (Explicit), Retention (Explicit), Retention curve (Explicit), Time to convert (Explicit), Projects (Hubs), python (Thematic), retention (Thematic)
CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect: A/B Testing Methodology Toolkit (Explicit), Causal / Uplift — CUPED and Individual Treatment Effects (Explicit), Projects (Hubs), Airflow DAG Platform (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), LinkedIn Content Analytics (Lateral), Classifieds liquidity — a measurability audit (Lateral), ML Fundamentals — scikit-learn Pipeline (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Promo Margin Lab — what a promo rouble actually earns (Lateral), Python Analytics Playground (Lateral), RAG Evaluation Harness — retrieval and generation metrics (Lateral), SERP Rank Lab (Lateral), SQL Analytics Case Study (Lateral)
Delivery Control Tower: SQL Analytics Case Study (Explicit), Cohort Analysis Dashboard (Explicit), A/B Testing Methodology Toolkit (Explicit), Оконные функции: gaps-and-islands, топ-N, range-join для stickiness (Explicit), Projects (Hubs), sql (Thematic)
Browser Mini-Games — Analytics Arcade: A/B Testing Methodology Toolkit (Explicit), Cohort Analysis Dashboard (Explicit), SQL Analytics Case Study (Explicit), Why the aggregate lies: cohort retention triangles (Explicit), This Portfolio Site (Explicit), Scrolly English Speaking (Explicit), Projects (Hubs), retention (Thematic)
Digital Garden — EQ in IT: This Portfolio Site (Explicit), Scrolly English Speaking (Explicit), OSS catalog — 47 projects from one source (Explicit), Projects (Hubs)
GMV Drop RCA — root cause on real data: SQL Analytics Case Study (Explicit), Classifieds liquidity — a measurability audit (Explicit), Кейсы с собеседований: как диагностировать просадку метрики (Explicit), Projects (Hubs), ClickHouse — ten SQL cases on 50M rows (Lateral), ML Fundamentals — scikit-learn Pipeline (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Promo Margin Lab — what a promo rouble actually earns (Lateral), SERP Rank Lab (Lateral)
Classifieds liquidity — a measurability audit: GMV Drop RCA — root cause on real data (Explicit), SERP Rank Lab (Explicit), RFM Analysis of Bank Clients (Explicit), Projects (Hubs), ClickHouse — ten SQL cases on 50M rows (Lateral), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Lateral), ML Fundamentals — scikit-learn Pipeline (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Promo Margin Lab — what a promo rouble actually earns (Lateral), SQL Analytics Case Study (Lateral)
ML Fundamentals — scikit-learn Pipeline: Churn Prediction — Leakage-Free Retention Model (Explicit), Python Analytics Playground (Explicit), A/B Testing Methodology Toolkit (Explicit), RAG Evaluation Harness — retrieval and generation metrics (Explicit), Projects (Hubs), Data Analyst Telegram Bot (Lateral), Causal / Uplift — CUPED and Individual Treatment Effects (Lateral), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Lateral), GMV Drop RCA — root cause on real data (Lateral), Classifieds liquidity — a measurability audit (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Promo Margin Lab — what a promo rouble actually earns (Lateral)
Matemarketing 2026 Programme — a static replica: This Portfolio Site (Explicit), Projects (Hubs)
OSS catalog — 47 projects from one source: This Portfolio Site (Explicit), Digital Garden — EQ in IT (Explicit), Projects (Hubs), Scrolly English Speaking (Lateral)
TaskFlow — PostHog Product Analytics Pipeline: LinkedIn Content Analytics (Explicit), Product Analytics + A/B on Supabase (Explicit), North Star и конфликты метрик: почему одна метрика ломает продукт (Explicit), Воспроизводимые пайплайны данных: от seed до CI (Explicit), DAU / MAU and stickiness (Explicit), North Star metric (Explicit), Projects (Hubs)
Product A/B & Funnel Analytics — Conversion versus Retention: A/B Testing Methodology Toolkit (Explicit), Volta Neobank — Product Analytics (Explicit), RFM Analysis of Bank Clients (Explicit), Юнит-экономика: CAC, LTV, payback и когорты (Explicit), Projects (Hubs), retention (Thematic), Airflow DAG Platform (Lateral), Causal / Uplift — CUPED and Individual Treatment Effects (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), ClickHouse — ten SQL cases on 50M rows (Lateral), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Lateral), GMV Drop RCA — root cause on real data (Lateral), LinkedIn Content Analytics (Lateral), Classifieds liquidity — a measurability audit (Lateral), ML Fundamentals — scikit-learn Pipeline (Lateral), Promo Margin Lab — what a promo rouble actually earns (Lateral), Python Analytics Playground (Lateral), RAG Evaluation Harness — retrieval and generation metrics (Lateral), SERP Rank Lab (Lateral), SQL Analytics Case Study (Lateral)
Promo Margin Lab — what a promo rouble actually earns: Causal / Uplift — CUPED and Individual Treatment Effects (Explicit), A/B Testing Methodology Toolkit (Explicit), SQL Analytics Case Study (Explicit), Churn + uplift: кому дать скидку (причинный таргетинг) (Explicit), SERP Rank Lab (Explicit), Projects (Hubs), Airflow DAG Platform (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Lateral), GMV Drop RCA — root cause on real data (Lateral), LinkedIn Content Analytics (Lateral), Classifieds liquidity — a measurability audit (Lateral), ML Fundamentals — scikit-learn Pipeline (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Python Analytics Playground (Lateral), RAG Evaluation Harness — retrieval and generation metrics (Lateral)
Python Analytics Playground: ML Fundamentals — scikit-learn Pipeline (Explicit), EDA-шаблон с кодом: разведочный анализ по-продуктовому (Explicit), Воспроизводимые пайплайны данных: от seed до CI (Explicit), RAG Evaluation Harness — retrieval and generation metrics (Explicit), Data Analyst Telegram Bot (Explicit), Projects (Hubs), python (Thematic), A/B Testing Methodology Toolkit (Lateral), Airflow DAG Platform (Lateral), Causal / Uplift — CUPED and Individual Treatment Effects (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Lateral), LinkedIn Content Analytics (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Promo Margin Lab — what a promo rouble actually earns (Lateral), SERP Rank Lab (Lateral), SQL Analytics Case Study (Lateral)
RAG Evaluation Harness — retrieval and generation metrics: ML Fundamentals — scikit-learn Pipeline (Explicit), Python Analytics Playground (Explicit), Causal / Uplift — CUPED and Individual Treatment Effects (Explicit), Projects (Hubs), A/B Testing Methodology Toolkit (Lateral), Airflow DAG Platform (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Lateral), LinkedIn Content Analytics (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Promo Margin Lab — what a promo rouble actually earns (Lateral), SERP Rank Lab (Lateral), SQL Analytics Case Study (Lateral), Volta Neobank — Product Analytics (Lateral)
RFM Analysis of Bank Clients: Classifieds liquidity — a measurability audit (Explicit), Product A/B & Funnel Analytics — Conversion versus Retention (Explicit), RFM-сегментация клиентов (Explicit), ARPU (Explicit), LTV (Explicit), RFM segmentation (Explicit), Segmentation (Explicit), Projects (Hubs)
Sales Calls Analytics Dashboard: Product Analytics Dashboard (Streamlit) (Explicit), Streamlit-дашборд за выходные: прототип без BI-системы (Explicit), Дашборды, которые не врут: принципы продуктовой визуализации (Explicit), Funnel (Explicit), NPS (Explicit), Projects (Hubs)
Scrolly English Speaking: Browser Mini-Games — Analytics Arcade (Explicit), Digital Garden — EQ in IT (Explicit), This Portfolio Site (Explicit), Projects (Hubs), OSS catalog — 47 projects from one source (Lateral)
SERP Rank Lab: A/B Testing Methodology Toolkit (Explicit), Classifieds liquidity — a measurability audit (Explicit), Promo Margin Lab — what a promo rouble actually earns (Explicit), Volta Neobank — Product Analytics (Explicit), Cohort Analysis Dashboard (Explicit), Projects (Hubs), Airflow DAG Platform (Lateral), Causal / Uplift — CUPED and Individual Treatment Effects (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), ClickHouse — ten SQL cases on 50M rows (Lateral), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Lateral), GMV Drop RCA — root cause on real data (Lateral), LinkedIn Content Analytics (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Python Analytics Playground (Lateral), RAG Evaluation Harness — retrieval and generation metrics (Lateral), SQL Analytics Case Study (Lateral)
This Portfolio Site: Browser Mini-Games — Analytics Arcade (Explicit), Digital Garden — EQ in IT (Explicit), Matemarketing 2026 Programme — a static replica (Explicit), OSS catalog — 47 projects from one source (Explicit), Scrolly English Speaking (Explicit), Чек-лист портфолио дата-аналитика (Explicit), Projects (Hubs)
SQL Analytics Case Study: Airflow DAG Platform (Explicit), ClickHouse — ten SQL cases on 50M rows (Explicit), Delivery Control Tower (Explicit), Browser Mini-Games — Analytics Arcade (Explicit), GMV Drop RCA — root cause on real data (Explicit), Promo Margin Lab — what a promo rouble actually earns (Explicit), Оконные функции: gaps-and-islands, топ-N, range-join для stickiness (Explicit), EDA-шаблон с кодом: разведочный анализ по-продуктовому (Explicit), GitHub Actions для аналитика: автоматизация без очереди к разработке (Explicit), Воспроизводимые пайплайны данных: от seed до CI (Explicit), Projects (Hubs), sql (Thematic), retention (Thematic), Causal / Uplift — CUPED and Individual Treatment Effects (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), CRM Experiment Lab — Segment-Stage Randomization, GCG and Net Effect (Lateral), Classifieds liquidity — a measurability audit (Lateral), Product A/B & Funnel Analytics — Conversion versus Retention (Lateral), Python Analytics Playground (Lateral), RAG Evaluation Harness — retrieval and generation metrics (Lateral), SERP Rank Lab (Lateral)
Product Analytics Dashboard (Streamlit): LinkedIn Content Analytics (Explicit), Sales Calls Analytics Dashboard (Explicit), Product Analytics + A/B on Supabase (Explicit), Streamlit-дашборд за выходные: прототип без BI-системы (Explicit), Дашборды, которые не врут: принципы продуктовой визуализации (Explicit), EDA-шаблон с кодом: разведочный анализ по-продуктовому (Explicit), Projects (Hubs), retention (Thematic), segmentation (Thematic), Volta Neobank — Product Analytics (Lateral)
Product Analytics + A/B on Supabase: TaskFlow — PostHog Product Analytics Pipeline (Explicit), Product Analytics Dashboard (Streamlit) (Explicit), Дашборды, которые не врут: принципы продуктовой визуализации (Explicit), Воспроизводимые пайплайны данных: от seed до CI (Explicit), Projects (Hubs)
Volta Neobank — Product Analytics: A/B Testing Methodology Toolkit (Explicit), Airflow DAG Platform (Explicit), Product A/B & Funnel Analytics — Conversion versus Retention (Explicit), SERP Rank Lab (Explicit), Почему мы перешли на байесовское A/B-тестирование (Explicit), User Journey / Path Analysis: где теряется пользователь (Explicit), Volta — Funnel Analysis (Volta), Volta — KYC Progress-Bar A/B Test (Volta), Volta — Retention & Cohorts (Volta), Volta — User Segmentation (Volta), Volta — Churn Prediction (Volta), Volta — RFM Analysis (Volta), Volta — CLV Modeling (Volta), Volta — Marketing Attribution (Volta), Volta — Anomaly Detection (Volta), Volta — Spend Analysis (Volta), Volta — Support & Churn (Volta), Volta — NPS Trends (Volta), Volta — JTBD × Cohorts (Volta), Volta — Traveler Unit Economics (Volta), Volta — Premium Upsell (Volta), Volta — 45+ KYC Deep-Dive (Volta), Volta — Referral Segments (Volta), Volta — Assisted CAC vs LTV (Volta), Volta — FX Sourcing Feasibility (Volta), Volta — Segment Premium Offers (Volta), Volta — Anchor Launch CAC at Scale (Volta), Volta — Dormant 45+ Win-back (Volta), Volta — Causal Validation of KYC (DiD) (Volta), Calibrating A/B methods with simulation: how to verify a method before production (Explicit), Проактивность аналитика за рамками роли (Explicit), Churn + uplift: кому дать скидку (причинный таргетинг) (Explicit), Why the aggregate lies: cohort retention triangles (Explicit), Feature Impact: как измерить влияние фичи, когда A/B невозможен (Explicit), Первая транзакция: как измерить активацию финтех-продукта (Explicit), Платёжные отказы: как вернуть потерянный revenue (Explicit), Продакт × аналитик: три кейса коллаборации (Explicit), Юнит-экономика: CAC, LTV, payback и когорты (Explicit), Кейс Volta: воронка, A/B и retention на синтетике необанка (Explicit), Projects (Hubs), retention (Thematic), segmentation (Thematic), Product Analytics Dashboard (Streamlit) (Lateral), Causal / Uplift — CUPED and Individual Treatment Effects (Lateral), Churn Prediction — Leakage-Free Retention Model (Lateral), RAG Evaluation Harness — retrieval and generation metrics (Lateral)
Calibrating A/B methods with simulation: how to verify a method before production: A/B Testing Methodology Toolkit (Explicit), Почему мы перешли на байесовское A/B-тестирование (Explicit), Volta Neobank — Product Analytics (Explicit), Why the aggregate lies: cohort retention triangles (Explicit), Feature Impact: как измерить влияние фичи, когда A/B невозможен (Explicit), Кейс Volta: воронка, A/B и retention на синтетике необанка (Explicit), Articles (Hubs), python (Thematic), ab-testing (Thematic)
Кейсы с собеседований: как диагностировать просадку метрики: GMV Drop RCA — root cause on real data (Explicit), Чек-лист портфолио дата-аналитика (Explicit), Продакт × аналитик: три кейса коллаборации (Explicit), Проактивность аналитика за рамками роли (Explicit), Articles (Hubs), sql (Thematic), career (Thematic)
Проактивность аналитика за рамками роли: Кейсы с собеседований: как диагностировать просадку метрики (Explicit), Чек-лист портфолио дата-аналитика (Explicit), Volta Neobank — Product Analytics (Explicit), Автоматизация недельных отчётов через Telegram-бота (Explicit), Articles (Hubs), career (Thematic), Продакт × аналитик: три кейса коллаборации (Lateral)
Почему мы перешли на байесовское A/B-тестирование: Volta Neobank — Product Analytics (Explicit), Calibrating A/B methods with simulation: how to verify a method before production (Explicit), A/B Testing Methodology Toolkit (Explicit), RFM-сегментация клиентов (Explicit), Когортный анализ удержания (Explicit), Автоматизация недельных отчётов через Telegram-бота (Explicit), Чек-лист портфолио дата-аналитика (Explicit), Feature Impact: как измерить влияние фичи, когда A/B невозможен (Explicit), Кейс Volta: воронка, A/B и retention на синтетике необанка (Explicit), Articles (Hubs), ab-testing (Thematic)
Churn + uplift: кому дать скидку (причинный таргетинг): Causal / Uplift — CUPED and Individual Treatment Effects (Explicit), Churn Prediction — Leakage-Free Retention Model (Explicit), Promo Margin Lab — what a promo rouble actually earns (Explicit), Когортный анализ удержания (Explicit), Volta Neobank — Product Analytics (Explicit), Feature Impact: как измерить влияние фичи, когда A/B невозможен (Explicit), Articles (Hubs), retention (Thematic), causal-inference (Thematic), Платёжные отказы: как вернуть потерянный revenue (Lateral)
Когортный анализ удержания: Cohort Analysis Dashboard (Explicit), Почему мы перешли на байесовское A/B-тестирование (Explicit), Churn + uplift: кому дать скидку (причинный таргетинг) (Explicit), RFM-сегментация клиентов (Explicit), Автоматизация недельных отчётов через Telegram-бота (Explicit), Why the aggregate lies: cohort retention triangles (Explicit), Чек-лист портфолио дата-аналитика (Explicit), North Star и конфликты метрик: почему одна метрика ломает продукт (Explicit), Платёжные отказы: как вернуть потерянный revenue (Explicit), Юнит-экономика: CAC, LTV, payback и когорты (Explicit), Кейс Volta: воронка, A/B и retention на синтетике необанка (Explicit), Articles (Hubs), python (Thematic), retention (Thematic), EDA-шаблон с кодом: разведочный анализ по-продуктовому (Lateral), Первая транзакция: как измерить активацию финтех-продукта (Lateral)
Why the aggregate lies: cohort retention triangles: Browser Mini-Games — Analytics Arcade (Explicit), Cohort Analysis Dashboard (Explicit), Когортный анализ удержания (Explicit), Calibrating A/B methods with simulation: how to verify a method before production (Explicit), Volta Neobank — Product Analytics (Explicit), Кейс Volta: воронка, A/B и retention на синтетике необанка (Explicit), Дашборды, которые не врут: принципы продуктовой визуализации (Explicit), Первая транзакция: как измерить активацию финтех-продукта (Explicit), Оконные функции: gaps-and-islands, топ-N, range-join для stickiness (Explicit), User Journey / Path Analysis: где теряется пользователь (Explicit), Articles (Hubs), python (Thematic), retention (Thematic), EDA-шаблон с кодом: разведочный анализ по-продуктовому (Lateral)
Дашборды, которые не врут: принципы продуктовой визуализации: Product Analytics Dashboard (Streamlit) (Explicit), Product Analytics + A/B on Supabase (Explicit), Why the aggregate lies: cohort retention triangles (Explicit), Sales Calls Analytics Dashboard (Explicit), North Star и конфликты метрик: почему одна метрика ломает продукт (Explicit), Streamlit-дашборд за выходные: прототип без BI-системы (Explicit), Articles (Hubs), python (Thematic)
Чек-лист портфолио дата-аналитика: This Portfolio Site (Explicit), Кейсы с собеседований: как диагностировать просадку метрики (Explicit), Проактивность аналитика за рамками роли (Explicit), RFM-сегментация клиентов (Explicit), Когортный анализ удержания (Explicit), Почему мы перешли на байесовское A/B-тестирование (Explicit), Продакт × аналитик: три кейса коллаборации (Explicit), Articles (Hubs), career (Thematic)
EDA-шаблон с кодом: разведочный анализ по-продуктовому: Python Analytics Playground (Explicit), Воспроизводимые пайплайны данных: от seed до CI (Explicit), Product Analytics Dashboard (Streamlit) (Explicit), SQL Analytics Case Study (Explicit), Articles (Hubs), python (Thematic), Когортный анализ удержания (Lateral), Why the aggregate lies: cohort retention triangles (Lateral)
Feature Impact: как измерить влияние фичи, когда A/B невозможен: Churn + uplift: кому дать скидку (причинный таргетинг) (Explicit), Calibrating A/B methods with simulation: how to verify a method before production (Explicit), Почему мы перешли на байесовское A/B-тестирование (Explicit), Volta Neobank — Product Analytics (Explicit), Articles (Hubs), ab-testing (Thematic), causal-inference (Thematic), Кейс Volta: воронка, A/B и retention на синтетике необанка (Lateral)
Первая транзакция: как измерить активацию финтех-продукта: Volta Neobank — Product Analytics (Explicit), Why the aggregate lies: cohort retention triangles (Explicit), Кейс Volta: воронка, A/B и retention на синтетике необанка (Explicit), User Journey / Path Analysis: где теряется пользователь (Explicit), Articles (Hubs), retention (Thematic), Когортный анализ удержания (Lateral)
GitHub Actions для аналитика: автоматизация без очереди к разработке: Airflow DAG Platform (Explicit), Воспроизводимые пайплайны данных: от seed до CI (Explicit), Автоматизация недельных отчётов через Telegram-бота (Explicit), SQL Analytics Case Study (Explicit), Articles (Hubs), python (Thematic), automation (Thematic)
North Star и конфликты метрик: почему одна метрика ломает продукт: Дашборды, которые не врут: принципы продуктовой визуализации (Explicit), Когортный анализ удержания (Explicit), TaskFlow — PostHog Product Analytics Pipeline (Explicit), North Star metric (Explicit), Guardrail metric (Explicit), Articles (Hubs), metric-design (Thematic)
Платёжные отказы: как вернуть потерянный revenue: Churn Prediction — Leakage-Free Retention Model (Explicit), Когортный анализ удержания (Explicit), Volta Neobank — Product Analytics (Explicit), Автоматизация недельных отчётов через Telegram-бота (Explicit), Churn (Explicit), Articles (Hubs), retention (Thematic), Churn + uplift: кому дать скидку (причинный таргетинг) (Lateral)
Продакт × аналитик: три кейса коллаборации: Кейсы с собеседований: как диагностировать просадку метрики (Explicit), Volta Neobank — Product Analytics (Explicit), Чек-лист портфолио дата-аналитика (Explicit), Автоматизация недельных отчётов через Telegram-бота (Explicit), Articles (Hubs), career (Thematic), Проактивность аналитика за рамками роли (Lateral)
Воспроизводимые пайплайны данных: от seed до CI: Airflow DAG Platform (Explicit), Python Analytics Playground (Explicit), EDA-шаблон с кодом: разведочный анализ по-продуктовому (Explicit), GitHub Actions для аналитика: автоматизация без очереди к разработке (Explicit), TaskFlow — PostHog Product Analytics Pipeline (Explicit), Product Analytics + A/B on Supabase (Explicit), SQL Analytics Case Study (Explicit), Streamlit-дашборд за выходные: прототип без BI-системы (Explicit), Articles (Hubs), sql (Thematic), python (Thematic)
RFM-сегментация клиентов: RFM Analysis of Bank Clients (Explicit), Почему мы перешли на байесовское A/B-тестирование (Explicit), Когортный анализ удержания (Explicit), Чек-лист портфолио дата-аналитика (Explicit), Автоматизация недельных отчётов через Telegram-бота (Explicit), Юнит-экономика: CAC, LTV, payback и когорты (Explicit), Articles (Hubs), sql (Thematic), segmentation (Thematic)
Оконные функции: gaps-and-islands, топ-N, range-join для stickiness: Delivery Control Tower (Explicit), SQL Analytics Case Study (Explicit), Why the aggregate lies: cohort retention triangles (Explicit), Articles (Hubs), sql (Thematic)
Streamlit-дашборд за выходные: прототип без BI-системы: Sales Calls Analytics Dashboard (Explicit), Product Analytics Dashboard (Streamlit) (Explicit), Дашборды, которые не врут: принципы продуктовой визуализации (Explicit), Воспроизводимые пайплайны данных: от seed до CI (Explicit), Articles (Hubs), python (Thematic)
Автоматизация недельных отчётов через Telegram-бота: Data Analyst Telegram Bot (Explicit), Проактивность аналитика за рамками роли (Explicit), Почему мы перешли на байесовское A/B-тестирование (Explicit), Когортный анализ удержания (Explicit), GitHub Actions для аналитика: автоматизация без очереди к разработке (Explicit), Платёжные отказы: как вернуть потерянный revenue (Explicit), Продакт × аналитик: три кейса коллаборации (Explicit), RFM-сегментация клиентов (Explicit), Articles (Hubs), python (Thematic), automation (Thematic)
Юнит-экономика: CAC, LTV, payback и когорты: Product A/B & Funnel Analytics — Conversion versus Retention (Explicit), Когортный анализ удержания (Explicit), RFM-сегментация клиентов (Explicit), Volta Neobank — Product Analytics (Explicit), LTV (Explicit), CAC and unit economics (Explicit), Articles (Hubs)
User Journey / Path Analysis: где теряется пользователь: Volta Neobank — Product Analytics (Explicit), Первая транзакция: как измерить активацию финтех-продукта (Explicit), Why the aggregate lies: cohort retention triangles (Explicit), Funnel (Explicit), Articles (Hubs)
Кейс Volta: воронка, A/B и retention на синтетике необанка: Why the aggregate lies: cohort retention triangles (Explicit), Первая транзакция: как измерить активацию финтех-продукта (Explicit), Volta Neobank — Product Analytics (Explicit), Когортный анализ удержания (Explicit), Calibrating A/B methods with simulation: how to verify a method before production (Explicit), Почему мы перешли на байесовское A/B-тестирование (Explicit), Articles (Hubs), ab-testing (Thematic), retention (Thematic), segmentation (Thematic), Feature Impact: как измерить влияние фичи, когда A/B невозможен (Lateral)
Volta — KYC Progress-Bar A/B Test: Volta Neobank — Product Analytics (Volta)
Volta — Anchor Launch CAC at Scale: Volta Neobank — Product Analytics (Volta)
Volta — Anomaly Detection: Volta Neobank — Product Analytics (Volta)
Volta — Assisted CAC vs LTV: Volta Neobank — Product Analytics (Volta)
Volta — Marketing Attribution: Volta Neobank — Product Analytics (Volta)
Volta — Causal Validation of KYC (DiD): Volta Neobank — Product Analytics (Volta)
Volta — Churn Prediction: Volta Neobank — Product Analytics (Volta)
Volta — CLV Modeling: Volta Neobank — Product Analytics (Volta)
Volta — Dormant 45+ Win-back: Volta Neobank — Product Analytics (Volta)
Volta — Funnel Analysis: Volta Neobank — Product Analytics (Volta)
Volta — FX Sourcing Feasibility: Volta Neobank — Product Analytics (Volta)
Volta — JTBD × Cohorts: Volta Neobank — Product Analytics (Volta)
Volta — 45+ KYC Deep-Dive: Volta Neobank — Product Analytics (Volta)
Volta — NPS Trends: Volta Neobank — Product Analytics (Volta)
Volta — Segment Premium Offers: Volta Neobank — Product Analytics (Volta)
Volta — Premium Upsell: Volta Neobank — Product Analytics (Volta)
Volta — Referral Segments: Volta Neobank — Product Analytics (Volta)
Volta — Retention & Cohorts: Volta Neobank — Product Analytics (Volta)
Volta — RFM Analysis: Volta Neobank — Product Analytics (Volta)
Volta — User Segmentation: Volta Neobank — Product Analytics (Volta)
Volta — Spend Analysis: Volta Neobank — Product Analytics (Volta)
Volta — Support & Churn: Volta Neobank — Product Analytics (Volta)
Volta — Traveler Unit Economics: Volta Neobank — Product Analytics (Volta)
A/A test: Sample Ratio Mismatch (SRM) (Explicit), p-value (Explicit), CUPED (Explicit), A/B Testing Methodology Toolkit (Explicit), A/B test (Explicit), Statistical power (Explicit), Glossary (Hubs), ab-testing (Thematic)
A/B test: p-value (Explicit), Statistical power (Explicit), A/A test (Explicit), Sample Ratio Mismatch (SRM) (Explicit), Minimum detectable effect (MDE) (Explicit), Confidence interval (Explicit), Correlation and causation (Explicit), Guardrail metric (Explicit), Sample size (Explicit), Glossary (Hubs), ab-testing (Thematic)
ARPU: LTV (Explicit), DAU / MAU and stickiness (Explicit), NPS (Explicit), RFM Analysis of Bank Clients (Explicit), CAC and unit economics (Explicit), North Star metric (Explicit), Glossary (Hubs), segmentation (Thematic)
Correlation and causation: Causal / Uplift — CUPED and Individual Treatment Effects (Explicit), Uplift modelling (Explicit), CUPED (Explicit), Bootstrap (Explicit), A/B test (Explicit), Glossary (Hubs), ab-testing (Thematic), causal-inference (Thematic)
CUPED: A/A test (Explicit), Correlation and causation (Explicit), Sample Ratio Mismatch (SRM) (Explicit), p-value (Explicit), Statistical power (Explicit), Minimum detectable effect (MDE) (Explicit), Causal / Uplift — CUPED and Individual Treatment Effects (Explicit), Uplift modelling (Explicit), Glossary (Hubs), ab-testing (Thematic)
DAU / MAU and stickiness: ARPU (Explicit), Retention (Explicit), North Star metric (Explicit), Retention curve (Explicit), TaskFlow — PostHog Product Analytics Pipeline (Explicit), Glossary (Hubs)
Funnel: User Journey / Path Analysis: где теряется пользователь (Explicit), North Star metric (Explicit), Retention (Explicit), Time to convert (Explicit), Sales Calls Analytics Dashboard (Explicit), Glossary (Hubs)
Guardrail metric: North Star и конфликты метрик: почему одна метрика ломает продукт (Explicit), North Star metric (Explicit), A/B test (Explicit), Sample Ratio Mismatch (SRM) (Explicit), Glossary (Hubs), ab-testing (Thematic)
LTV: Юнит-экономика: CAC, LTV, payback и когорты (Explicit), ARPU (Explicit), CAC and unit economics (Explicit), Churn (Explicit), Retention (Explicit), Segmentation (Explicit), RFM Analysis of Bank Clients (Explicit), RFM segmentation (Explicit), Glossary (Hubs), segmentation (Thematic)
North Star metric: North Star и конфликты метрик: почему одна метрика ломает продукт (Explicit), DAU / MAU and stickiness (Explicit), Funnel (Explicit), Guardrail metric (Explicit), Retention (Explicit), ARPU (Explicit), TaskFlow — PostHog Product Analytics Pipeline (Explicit), Glossary (Hubs)
sql: Кейсы с собеседований: как диагностировать просадку метрики (Thematic), Воспроизводимые пайплайны данных: от seed до CI (Thematic), RFM-сегментация клиентов (Thematic), Оконные функции: gaps-and-islands, топ-N, range-join для stickiness (Thematic), ClickHouse — ten SQL cases on 50M rows (Thematic), Delivery Control Tower (Thematic), SQL Analytics Case Study (Thematic)
python: Calibrating A/B methods with simulation: how to verify a method before production (Thematic), Когортный анализ удержания (Thematic), Why the aggregate lies: cohort retention triangles (Thematic), Дашборды, которые не врут: принципы продуктовой визуализации (Thematic), EDA-шаблон с кодом: разведочный анализ по-продуктовому (Thematic), GitHub Actions для аналитика: автоматизация без очереди к разработке (Thematic), Воспроизводимые пайплайны данных: от seed до CI (Thematic), Streamlit-дашборд за выходные: прототип без BI-системы (Thematic), Автоматизация недельных отчётов через Telegram-бота (Thematic), Cohort Analysis Dashboard (Thematic), Python Analytics Playground (Thematic)
ab-testing: Calibrating A/B methods with simulation: how to verify a method before production (Thematic), Почему мы перешли на байесовское A/B-тестирование (Thematic), Feature Impact: как измерить влияние фичи, когда A/B невозможен (Thematic), Кейс Volta: воронка, A/B и retention на синтетике необанка (Thematic), A/A test (Thematic), A/B test (Thematic), Bootstrap (Thematic), Confidence interval (Thematic), Correlation and causation (Thematic), CUPED (Thematic), Guardrail metric (Thematic), Minimum detectable effect (MDE) (Thematic), p-value (Thematic), Sample size (Thematic), Sample Ratio Mismatch (SRM) (Thematic), Statistical power (Thematic), Uplift modelling (Thematic)
retention: Churn + uplift: кому дать скидку (причинный таргетинг) (Thematic), Когортный анализ удержания (Thematic), Why the aggregate lies: cohort retention triangles (Thematic), Первая транзакция: как измерить активацию финтех-продукта (Thematic), Платёжные отказы: как вернуть потерянный revenue (Thematic), Кейс Volta: воронка, A/B и retention на синтетике необанка (Thematic), Churn (Thematic), Cohort (Thematic), Retention (Thematic), Retention curve (Thematic), Time to convert (Thematic), Churn Prediction — Leakage-Free Retention Model (Thematic), Cohort Analysis Dashboard (Thematic), Browser Mini-Games — Analytics Arcade (Thematic), Product A/B & Funnel Analytics — Conversion versus Retention (Thematic), SQL Analytics Case Study (Thematic), Product Analytics Dashboard (Streamlit) (Thematic), Volta Neobank — Product Analytics (Thematic)
segmentation: RFM-сегментация клиентов (Thematic), Кейс Volta: воронка, A/B и retention на синтетике необанка (Thematic), ARPU (Thematic), CAC and unit economics (Thematic), Churn (Thematic), LTV (Thematic), NPS (Thematic), RFM segmentation (Thematic), Segmentation (Thematic), Product Analytics Dashboard (Streamlit) (Thematic), Volta Neobank — Product Analytics (Thematic)
automation: GitHub Actions для аналитика: автоматизация без очереди к разработке (Thematic), Автоматизация недельных отчётов через Telegram-бота (Thematic)
career: Кейсы с собеседований: как диагностировать просадку метрики (Thematic), Проактивность аналитика за рамками роли (Thematic), Чек-лист портфолио дата-аналитика (Thematic), Продакт × аналитик: три кейса коллаборации (Thematic)
causal-inference: Churn + uplift: кому дать скидку (причинный таргетинг) (Thematic), Feature Impact: как измерить влияние фичи, когда A/B невозможен (Thematic), Correlation and causation (Thematic)
metric-design: North Star и конфликты метрик: почему одна метрика ломает продукт (Thematic)