Summary Statistics Vignettes

Vignettes for functions that summarize dataframes

Summarize Variable by Factor Groups

Show percentiles, mean, sd, min, max, first, last, and unique counts across quantitative variables in a dataset.

Panel Data Vignettes

Vignettes for functions that process dataframes with panel characteristics

Cumulative Sum by Index Up to Last in Group

Dataset tracks individuals over time. At each date, calculate the cumulative sum across all individuals based on each individual’s final date of observation.

Append Group Mean Lagged Values as Additional Panel Variables

Compute averages over sub-groups of dates for each variable. Merge so that each date observation has as variables all lagged and forward information as additional variables.

Distributional Vignettes

Vignettes for functions that compute distributional related outcomes

Compute Gini Inequality Coefficient Given Data Vector (One Variable)

View a vector positive vectors as population, calculate discrete GINI inequality measure.

Optimization Vignettes

Vignettes for functions that optimize to minimize, maximize, etc.

Solve Roots for N (Rows) Strictly Monotonic Functions

Solve for roots for the same function across N sets of parameter values.