Data Science

Transform raw research into polished newsletter articles for Edmund Bogen's luxury real estate audience. Use when Edmund provides research, data, or topics and needs a complete newsletter article created. Follows Edmund's distinctive dual-perspective voice (Douglas Elliman realtor + St. Andrews Country Club resident) with data-driven analysis that cuts through media narratives.

Perform comprehensive data analysis on datasets including statistical analysis,visualizations, and insights generation. Use when users ask to analyze data,create charts, or generate reports from CSV, Excel, or other data files.

Advanced product idea validation through comprehensive market research, competitive analysis, demand verification, technical feasibility assessment, and monetization potential analysis. Use when evaluating startup ideas, SaaS concepts, or any new product before development begins. Provides data-driven scoring and actionable recommendations.

Mixpanel funnel analysis, retention tracking, and insights with automatic rate limiting and result formatting. Activated when users mention "Mixpanel", "funnel analysis", "retention", or need product analytics data.

Analyze datasets to discover patterns, anomalies, and relationships. Use when exploring data files, generating statistical summaries, checking data quality, or creating visualizations. Supports CSV, Excel, JSON, Parquet, and more.

Generate professional investment reports for stocks and ETFs. Use when user requests market analysis, investment reports, stock analysis, or trading recommendations for financial instruments (SPY, AAPL, TSLA, etc.). Creates institutional-grade reports with technical indicators, AI-powered insights, charts, and investment recommendations.

Standard and NaN-robust statistical functions for data analysis, histograms, and correlation matrices. Triggers: statistics, mean, nanmean, histogram, corrcoef, percentile, std.

コード変更の影響範囲分析スキル。変更が引き起こし得る影響を影響面（code/interface/data/external/config/runtime/security/observability）ごとに整理し、「どこをレビューし、何をテストし、何を観測すべきか」を根拠つきで提示する。トリガー条件:- 「影響範囲を分析して」「この変更の影響は？」「どこまで波及する？」- PRレビュー依頼時、リファクタ/仕様変更時- 障害対応で「原因箇所の周辺影響」を確認したい時注意: 変更の是非の最終判断は行わない。実行時にしか分からない挙動は推定と不確実性を提示する。

Explain code like teaching a junior dev on day 1. Forces detailed analysis to catch hidden bugs, edge cases, security issues, and performance problems.

Interactive prompt builder for creating high-quality deep research prompts through adaptive interviewing. Use when users need to transform a basic research topic into a comprehensive, well-structured research prompt optimized for deep analysis. Helps build research prompts from vague ideas, enhance existing questions with best practices, and create structured prompts for any domain including product comparisons, technical documentation, academic literature, and market analysis.

Product Owner assistance for ticket refinement, epic breakdown, dependency analysis, and backlog management across multiple project management systems. Use this skill when working with tickets to create, analyze, propose amendments, or generate discussion questions. Supports Linear, Local Markdown, Jira, GitHub Issues, and other PM systems through extensible connectors.

Search GitHub for real-world code examples and implementation patterns. Use when user wants to find code examples on GitHub, search GitHub repositories, discover how others implement features, learn library usage patterns, or research architectural approaches. Fetches top results with smart ranking (stars, recency, language), extracts factual data (imports, syntax patterns, metrics), and returns clean markdown for analysis and pattern identification.

Proteomics analysis toolkit for label-free quantitative proteomics. Invokes R scripts for normalization, visualization (volcano, heatmap, PCA, LOPIT), pathway analysis (KEGG, ConsensusPathDB), and protein list cross-referencing (MISEV2018, SASP, Matrisome). USE WHEN user says 'analyze proteomics', 'volcano plot', 'normalize protein data', 'pathway enrichment', 'check EV markers', 'SASP analysis', 'matrisome', OR mentions q-value, fold-change, or protein quantification.

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas

Project management orchestration for website design and development projects. Use this skill when coordinating multi-agent website projects that require design, frontend development, quality control, accessibility compliance, SEO optimization, and performance analysis. Specifically use for (1) Planning website project workflows, (2) Coordinating design and development agents, (3) Enforcing quality gates and standards, (4) Managing project risks and timelines, (5) Handling stakeholder communication, (6) Ensuring WCAG AAA accessibility compliance, (7) Australian Consumer Law compliance for e-commerce sites, (8) Mobile-first responsive design enforcement.

Query and analyze SEC filings and financial statements using EdgarTools. Get company data, filings, XBRL financials, and perform multi-company analysis.

Sorting and searching algorithms including O(n) partitioning, binary search, and hierarchical multi-key sorting. Triggers: sort, argsort, partition, searchsorted, lexsort, nan sort order.

Create custom layer types with WebGL rendering, custom tile layers, and blend layers. Use for advanced visualizations and custom data sources.

Reconstruct, visualize, and analyze argument structure. Use for: argument reconstruction, premise identification, inference evaluation, finding hidden assumptions, visualizing debates, Toulmin model analysis. Triggers: 'argument structure', 'premises', 'conclusion', 'inference', 'reconstruct', 'map the argument', 'Toulmin', 'argument diagram', 'validity', 'soundness', 'implicit premise', 'hidden assumption', 'logical structure'.

Handle photo uploads, analysis, and processing in Claude Code. This skill should be used when users want to upload images, analyze screenshots, process photos, or work with visual content in Claude Code conversations.