nimrodfisher/data-analytics-skills

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Comprehensive data quality assessment against business rules, schema constraints, and freshness expectations. Activate when validating data pipeline outputs before production use, auditing a dataset against defined business rules, or producing a quality scorecard for a data asset.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Cross-source metric validation and discrepancy investigation. Use when metrics from different sources don't match, investigating data quality issues between systems, or validating data migration accuracy.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Systematic exploratory data analysis. Activate when a dataset needs profiling — structure check, nulls, outliers, distributions, correlations — before deeper analysis begins.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

SQL query review for correctness, performance, and best practices. Activate when a query needs review before production use, shows unexpected results, or runs too slowly.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Database schema understanding and relationship mapping. Use when exploring unfamiliar databases, documenting table relationships, identifying join paths, or generating ERD documentation for existing schemas.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Track and document analytical assumptions and decisions. Use when making analytical choices, documenting trade-offs, ensuring transparency, or creating audit trails for analytical work.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Structured, reproducible analysis documentation. Use when documenting analysis findings, creating analysis notebooks, ensuring reproducibility, or building analysis archives for future reference.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Create standardized metadata for data assets. Use when documenting new datasets, building data catalogs, improving data discoverability, or creating data dictionaries for teams.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Build structured semantic layer documentation for metrics, dimensions, and entities. Activate when you need to define a business metric, document a data model, or create YAML definitions compatible with dbt Semantic Layer or similar frameworks.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Translate SQL queries into plain language business logic. Use when documenting queries, explaining analysis to non-technical stakeholders, code reviewing for correctness, or building a query catalog.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Rigorous A/B test statistical analysis. Use when analyzing experiment results, calculating statistical significance, checking for sample ratio mismatch, or validating test design before launch.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Standard business metric calculation with industry benchmarks. Use when calculating SaaS metrics (MRR, churn, LTV, CAC), e-commerce KPIs, or product analytics metrics with proper definitions.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Time-based cohort analysis with retention and behaviour tracking. Activate when you need to measure how groups of users/customers behave over time — retention rates, revenue by cohort, or feature adoption curves.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Conversion funnel analysis with drop-off investigation. Use when analyzing multi-step processes, identifying conversion bottlenecks, comparing segments through a funnel, or optimizing user journeys.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Systematic investigation of metric changes and anomalies. Use when a metric unexpectedly changes, investigating business metric drops, explaining performance variations, or drilling into aggregated metric drivers.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Customer/user segmentation with actionable insights. Use when identifying distinct customer groups, analyzing segment-specific behavior, profiling high-value segments, or testing segmentation hypotheses.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Temporal pattern detection and forecasting. Use when analyzing trends over time, detecting seasonality, identifying anomalies in time series, or building simple forecasting models for planning.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Design specifications for effective dashboards. Use when planning new dashboards, improving existing ones, or documenting dashboard requirements before development starts.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Build compelling data-driven narratives. Use when presenting analysis results, creating stakeholder reports, or transforming a set of findings into a story that drives a specific decision or action.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Create concise executive summaries from detailed analysis. Use when preparing board decks, executive briefings, or condensing complex analysis into decision-ready formats for senior audiences.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Transform data findings into compelling insights. Use when converting analysis results into actionable insights, connecting findings to business impact, or preparing insights for stakeholder communication.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Create effective, publication-ready data visualizations. Use when choosing chart types, designing presentation visuals, building dashboard charts, or applying visual design best practices to data output.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Pre-delivery quality assurance for analysis work. Use when reviewing analysis before sharing with stakeholders, checking for completeness, validating assumptions, or ensuring clarity of recommendations.

nimrodfisher/data-analytics-skills

Skill Claude CodeCodex

Estimate and communicate business impact of insights. Use when sizing opportunities discovered in analysis, calculating ROI of recommended actions, or prioritizing initiatives by potential impact.