numericols: Numeric Columns Of Data Frame
In lcmix: Layered and chained mixture models

Description Usage Arguments Value Author(s) Examples

Extract numerical columns from a data frame.

1	numericols(x, include.logical=TRUE)

`x`	a data frame with at least one numerical column.
`include.logical`	logical; if `TRUE`, logical columns will be considered numerical.

A data frame containing the numerical columns of x.

Daniel Dvorkin

x = data.frame(number=1:3, species=c("cat", "dog", "rat"),
        forsale=c(TRUE, FALSE, TRUE))
numericols(x)
#   number forsale
# 1      1    TRUE
# 2      2   FALSE
# 3      3    TRUE
numericols(x, FALSE)
#   number
# 1      1
# 2      2
# 3      3