Filter, sort, pivot and otherwise wrangle your tables of data.
Join or merge tables
Filter one table against another (filtering join)
Combine tables by stacking them one on top of another
Regroup a categorical variable
Reshape a table from wide format to long
Reshape a table from long format to wide
Extract columns from a table as a new table
Rename columns in a table
Add a column to a table and compute its values
Compute summary statistics for a table
Compute summary statistics for groups of rows within a table
Filter your table to rows with specific values
Group a continuous variable into categories
Sort a table by row
Create a two-way contingency table
Create a one-way frequency table
Create a three-way contingency table
Pull first or last observation of each group from a table