quantile_img: Create Quantile Image

In neurobase: 'Neuroconductor' Base Package with Helper Functions for 'nifti' Objects

Create Quantile Image

Description

Creates output image of the quantiles that each voxel is in, after applying the mask

Usage

quantile_img(img, mask = NULL, ...)

Arguments

img	Character vector, or object of class nifti
mask	Mask to determine cumulative distribution function (cdf) from
...	Additional arguments to pass to ecdf

Value

Object of class nifti

Examples

set.seed(5)
dims = rep(10, 3)
arr = array(rnorm(prod(dims)), dim = dims)
nim = oro.nifti::nifti(arr)
qimg = quantile_img(nim)
qarr = quantile_img(arr)
testthat::expect_equal(qarr, array(qimg, dim = dim(qarr)))
qimg = quantile_img(nim, mask = nim > 0)

neurobase documentation built on May 29, 2024, 2:17 a.m.