subsample.cols {imageUtilities}R Documentation

subsample an array, averaging every dx cols.

Description

subsample an array, averaging every dx cols.

Usage

  subsample.cols(x, dx, ...)

Arguments

x

array to subsample

dx

how many cols to average over

...

passed into rowMeans

Value

array of the same size as x, except number of cols is ncol(x)/dx.

Note

assumes nrow(x) is exactly divisible by dy

See Also

Other subsample: imdownsample, imsubsample, subsample.rows


[Package imageUtilities version 1.0.3 Index]