7.00.02.01 - Transforming Data - Aster R

Teradata Aster® R User GuideUpdate 3

prodname
Aster R
vrm_release
7.00.02.01
created_date
December 2017
category
Programming Reference
User Guide
featnum
B700-1033-700K

Aster R provides functions to transform data.

This table lists brief descriptions of some of these functions.

Function Description
Combining data
ta.merge() Returns a virtual data frame based on a JOIN of two input virtual data frames.
ta.join() Returns a virtual data frame based on a JOIN of two input virtual objects using one or more join keys.
ta.cbind() Returns a virtual data frame combining the columns of the two input data frames. The input data frames must have a row_names column and the same number of rows.
ta.rbind() Returns a virtual data frame that is a UNION of the two input data frames.
Ordering data
ta.order() Returns a virtual data frame ordered as specified by the input parameters.
Subsetting data
ta.subset() Returns a virtual data frame based on the subset criteria specified by the input parameters.
Recoding
ta.recode() Returns a virtual data frame with a specific column updated as specified by the input parameters.
Transforming columns
ta.transform() Returns a virtual data frame with one or more columns updated as specified by the input parameters.
ta.with() Returns the value of a specific expression based on the specified input data frame.
ta.within() Returns a virtual data frame modified by evaluating the specified expression.