colVars
From resample v0.4
by Tim Hesterberg
Column variances and standard deviations for matrices.
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 higherdimensional 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
onedimensional. The
dimnames
(or names
for a vector
result) are taken from the original array.
Note
There are better versions of these functions in the aggregate package http://www.timhesterberg.net/rpackages.
See Also
Examples
x < matrix(rnorm(12), 4)
colVars(x)
colStdevs(x)
Community examples
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