Contains a set of functions that can be used to apply formats to data frames or vectors. The package aims to provide to functionality similar to that of SASĀ® formats. Formats are assigned to the format attribute on data frame columns. Then when the fdata() function is called, a new data frame is created with the column data formatted as specified. The package also contains a value() function to create a user-defined format, similar to a SASĀ® user-defined format.