Total 50,505 skills, Data Processing has 2560 skills
Showing 12 of 2560 skills
This skill should be used when the user asks to "use pandas", "analyze data with pandas", "work with DataFrames", "clean data with pandas", or needs guidance on pandas best practices, data manipulation, performance optimization, or common pandas patterns.
This skill should be used when the user asks to "format JSON", "design JSON API", "write JSON response", "structure JSON data", or needs guidance on JSON naming conventions and best practices based on Google's JSON Style Guide.
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Ljung-Box portmanteau tests for model diagnostics and residual analysis
Technical-oriented stock analysis skill used by Sister Zheng. Offers comprehensive technical analysis covering candlestick patterns, moving average system, MACD, RSI, Bollinger Bands, KDJ, chip distribution, and momentum analysis (volume-price momentum, capital flow, ROC/MTM indicators). Keywords: technical analysis, candlestick, moving average, MACD, RSI, stock, trend, breakout, pullback, momentum analysis, capital flow, Sister Zheng's Market Watch.
This skill should be used when users need to scrape content from websites, extract text from web pages, crawl and follow links, or download documentation from online sources. It features concurrent URL processing, automatic deduplication, content filtering, domain restrictions, and proper directory hierarchy based on URL structure. Use for documentation gathering, content extraction, web archival, or research data collection.
Analyze relationship between profitability and market share. Use for competitive advantage assessment, scale economies analysis, and strategy validation.
Analyze cost advantages from scale. Use for understanding cost structure and competitive positioning.
Record and analyze post-trade outcomes for signals generated by edge pipeline and other skills. Track false positives, missed opportunities, and regime mismatches. Feed results back to edge-signal-aggregator weights and skill improvement backlog.
Twitter/X data via the 6551 API. Supports user profiles, tweet search, user tweets, follower events, deleted tweets, and KOL followers.
Use when writing SQL queries, building analytics dashboards, tracking metrics, designing data pipelines, or analyzing user behavior and product usage
Use when modeling unit economics, calculating burn rate, building financial projections, pricing analysis, revenue forecasting, or any CFO-level financial decisions