DOMAIN

Data Analysis

The language in which reality speaks.

Frameworks

Core mental models and strategic tools for this domain.

DATA ANALYSIS

Cohort Analysis

Same starting line, different journeys, cohorts reveal what the average always hides.

KEY COMPONENTS

Group by start dateShared behaviorTrack over timeRetention trendsBehavioral patternsComparative lens

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DATA ANALYSIS

Funnel Analysis

Every step loses someone, funnel analysis shows you exactly where and why.

KEY COMPONENTS

Entry to exitDrop-off pointsConversion stagesUser journeyLeak detectionOptimization map

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DATA ANALYSIS

Experiment Design (A/B Testing)

Show the world two versions and let the numbers vote, intuition doesn't get a ballot.

KEY COMPONENTS

Control groupTest variantRandomized splitHypothesisStatistical significanceEvidence-based choice

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DATA ANALYSIS

Causal Inference (DAGs)

Correlation points fingers, causal inference finds out who actually did it.

KEY COMPONENTS

Cause vs correlationDirected acyclic graphConfoundersCausal pathCounterfactualTrue effect

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DATA ANALYSIS

RFM Segmentation

Three numbers reveal who your best customers are, and who's quietly slipping away.

KEY COMPONENTS

RecencyFrequencyMonetary valueCustomer scoreBehavior segmentsTargeted action

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DATA ANALYSIS

Leading vs Lagging Indicators

Lagging tells the story of yesterday, leading writes the script for tomorrow.

KEY COMPONENTS

Predictive signalsOutcome measuresFuture vs pastEarly warningConfirm or predictMetric type

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Fusions

Powerful combinations of concepts applied to real-world scenarios.

The Who-Before-What Lens

RFM Segmentation + Cohort Analysis

Open Document

The Paradox Auditor

Metric Trees + Funnel Analysis + Simpson's Paradox

Open Document

The Guardrail Gauntlet

Experiment Design (A/B) + Guardrail Metrics + Twyman's Law

Open Document

The Canary Dashboard

Anomaly Detection + Leading vs Lagging Indicators

Open Document