resample (version 0.4)

colVars: Column variances and standard deviations for matrices.

Description

Quick and dirty function for column variances and standard deviations.

Usage

colVars(x, na.rm = FALSE)
colStdevs(x, …)

Arguments

x

data frame, matrix, or vector. These versions do not support higher-dimensional arrays.

na.rm

logical. Should missing values (including NaN) be omitted from the calculations?

…

other arguments passed to colVars.

Value

A numeric or complex array of suitable size, or a vector if the result is one-dimensional. The dimnames (or names for a vector result) are taken from the original array.

See Also

colSums, var, sd.

Examples

# NOT RUN {
x <- matrix(rnorm(12), 4)
colVars(x)
colStdevs(x)
# }