expss (version 0.11.4)

add_rows: Add rows to data.frame/matrix/table

Description

Take a sequence of vector, matrix or data-frame arguments and combine by rows. Contrary to rbind it handles non-matching column names. There is also special method for the results of cro/cro_fun/tables/fre.

Usage

add_rows(...)
# S3 method for data.frame
add_rows(..., nomatch_columns = c("add", "drop", "stop"))

Value

See rbind, cro, cro_fun, fre, tables

Arguments

...

data.frame/matrix/table for binding

nomatch_columns

action if there are non-matching columns between data.frames. Possible values are "add", "drop", "stop". "add" will combine all columns, "drop" will leave only common columns, "stop" will raise an error.

Examples

a = data.frame(x = 1:5, y = 6:10)
b = data.frame(y = 6:10, z = 11:15)

add_rows(a, b) # x, y, z

add_rows(a, b, nomatch_columns = "drop")  # y