Roadmap

📈 Data Scientist Mind Map

25 knowledge points · click a node for its structured card

Pipeline view: stages left→right = model lifecycle (data → training → inference → optimization → MLOps → security → agentic). Dashed = cross-module.

📊Statistics & Sample Size Stage🧪A/B Testing & Pitfalls Stage⚖️Causal Inference Methods Stage📈Uplift & Heterogeneous Effects💼Business Analytics & Growth StageHypothesis Testing, Type I/II & PowerHypothesis Testing, Type I/II & PowerClick for definition & exam pointsSample Size Derivation & MDE BudgetSample Size Derivation & MDE BudgetClick for definition & exam pointsP-hacking, Peeking & mSPRT SequentialP-hacking, Peeking & mSPRT SequentialClick for definition & exam pointsMultiple Comparisons: FWER vs FDR-BHMultiple Comparisons: FWER vs FDR-BHClick for definition & exam pointsBootstrap Resampling & Empirical CIBootstrap Resampling & Empirical CIClick for definition & exam pointsCUPED Variance Reduction DerivationCUPED Variance Reduction DerivationClick for definition & exam pointsSRM Detection & Chi-Square DiagnosticsSRM Detection & Chi-Square DiagnosticsClick for definition & exam pointsA/A Testing & Hash Bucketing UniformityA/A Testing & Hash Bucketing UniformityClick for definition & exam pointsNetwork Interference & Switchback DesignNetwork Interference & Switchback DesignClick for definition & exam pointsNovelty, Primacy & Carryover EffectsNovelty, Primacy & Carryover EffectsClick for definition & exam pointsRubin Potential Outcomes & DAG d-SeparationRubin Potential Outcomes & DAG d-SeparationClick for definition & exam pointsDiD Parallel Trends & Event StudyDiD Parallel Trends & Event StudyClick for definition & exam pointsSynthetic Control Method & Placebo ChecksSynthetic Control Method & Placebo ChecksClick for definition & exam pointsPSM Matching & Doubly Robust EstimatorPSM Matching & Doubly Robust EstimatorClick for definition & exam pointsInstrumental Variables & 2SLS EstimationInstrumental Variables & 2SLS EstimationClick for definition & exam pointsUplift Modeling & 4-Quadrant ProfilingUplift Modeling & 4-Quadrant ProfilingClick for definition & exam pointsCausal Forest GRF & CATE EstimationCausal Forest GRF & CATE EstimationClick for definition & exam pointsQini Curve, AUUC & Uplift EvaluationQini Curve, AUUC & Uplift EvaluationClick for definition & exam pointsMeta-Learners: S- vs T- vs X-LearnerMeta-Learners: S- vs T- vs X-LearnerClick for definition & exam pointsPrecision Marketing & Uplift ROI BudgetPrecision Marketing & Uplift ROI BudgetClick for definition & exam pointsNorth Star Metric & Guardrail FrameworkNorth Star Metric & Guardrail FrameworkClick for definition & exam pointsMulti-Touch Attribution: Markov & ShapleyMulti-Touch Attribution: Markov & ShapleyClick for definition & exam pointsCohort Retention & LTV Lifetime ValueCohort Retention & LTV Lifetime ValueClick for definition & exam pointsMetric Anomaly Root-Cause DrilldownMetric Anomaly Root-Cause DrilldownClick for definition & exam pointsBayesian MMM & Media Saturation CurvesBayesian MMM & Media Saturation CurvesClick for definition & exam points
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Hypothesis Testing, Type I/II & PowerCUPED Variance Reduction DerivationRubin Potential Outcomes & DAG d-SeparationUplift Modeling & 4-Quadrant Profiling