Perform various data analysis on SEC 13-F and obtain some insights of fund activities such as number of holdings, AUM, and change of holdings between two quarters.
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benchflow-ai/skillsbench18652026年10月13日 更新
免费在 GitHub 公开
meteorology-driver-classification
Classify environmental and meteorological variables into driver categories for attribution analysis. Use when you need to group multiple variables into meaningful factor categories.
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SKILL.md（原文）
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Driver Classification Guide
Overview
When analyzing what drives changes in an environmental system, it is useful to group individual variables into broader categories based on their physical meaning.
Common Driver Categories
Heat
Variables related to thermal energy and radiation:
- Air temperature
- Shortwave radiation
- Longwave radiation
- Net radiation (shortwave + longwave)
- Surface temperature
- Humidity
- Cloud cover
Flow
Variables related to water movement:
- Precipitation
- Inflow
- Outflow
- Streamflow
- Evaporation
- Runoff
- Groundwater flux
Wind
Variables related to atmospheric circulation:
- Wind speed
- Wind direction
- Gust speed
- Atmospheric pressure
Human
Variables related to anthropogenic activities:
- Developed area
- Agriculture area
- Impervious surface
- Population density
- Industrial output
- Land use change rate
Derived Variables
Sometimes raw variables need to be combined before analysis:
# Combine radiation components into net radiation
df['NetRadiation'] = df['Longwave'] + df['Shortwave']
Grouping Strategy
- Identify all available variables in your dataset
- Assign each variable to a category based on physical meaning
- Create derived variables if needed
- Variables in the same category should be correlated
Validation
After statistical grouping, verify that:
- Variables load on expected components
- Groupings make physical sense
- Categories are mutually exclusive
Best Practices
- Use domain knowledge to define categories
- Combine related sub-variables before analysis
- Keep number of categories manageable (3-5 typically)
- Document your classification decisions
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