qcombine function

Combine Columns

Quickly combine columns (summed) and rename.

qcombine(mat, combined.columns, elim.old = TRUE)

Arguments

• mat: A matrix or dataframe with numeric combine columns.
• combined.columns: A list of named vectors of the colnames/indexes of the numeric columns to be combined (summed). If a vector is unnamed a name will be assigned.
• elim.old: logical. If TRUE eliminates the columns that are combined together by the named match.list. TRUE outputs the table proportionally (see prop).

Returns

Returns a dataframe with combines columns.

Examples

## Not run:

A <- list(
    a = c(1, 2, 3),
    b = qcv(mpg, hp),
    c = c("disp", "am")
)
B <- list(
    c(1, 2, 3),
    d = qcv(mpg, hp),
    c("disp", "am")
)

qcombine(head(mtcars), A)
qcombine(head(mtcars), B)
qcombine(head(mtcars), B, elim.old = FALSE)
## End(Not run)

See Also

transform