Remove Columns from a Data Frame
removeColumns(dframe, columns = NULL, columnsToRemove = NULL, pattern = NULL, drop = FALSE, dbg = FALSE)
dframe | data frame, |
---|---|
columns | vector of column names giving the columns to remove |
columnsToRemove | deprecated. Use argument |
pattern | regular expression matching the names of the columns to be
removed. Will only be evaluated if no explicit column names are given in
|
drop | if FALSE, a data frame is returned in any case, otherwise the result may be a vector if only one column remains |
dbg | if |
dframe with columns given in columns being removed. User attributes of dframe are restored.