merge.repl: merging data tables with collapsing columns with the same...
In kevinmhadi/khtools: Making Mskilab Life Easier

merge.repl

R Documentation

merging data tables with collapsing columns with the same name

Description

Merge two data tables with various replacing strategies for columns common between x and y that are not used to merge (i.e. not specified in the "by" argument)

Usage

## S3 method for class 'repl'
merge(
  dt.x,
  dt.y,
  sep = "_",
  replace_NA = TRUE,
  force_y = TRUE,
  overwrite_x = FALSE,
  keep_order = FALSE,
  keep_colorder = TRUE,
  keep_factor = TRUE,
  ...
)

Arguments

`replace_NA`	logical, only use values in dt.y, any dt.x not in dt.y is clobbered (NA)
`force_y`	logical, should x and y common columns be merged?
`overwrite_x`	logical, if force_y = TRUE, should NA values in y replace x?