imgdatamat: Creat Data Matrix Function

In mand: Multivariate Analysis for Neuroimaging Data

Creat Data Matrix Function

Description

This is a function that creates a data matrix for analysis from a file saved in image format.

Usage

imgdatamat(
  imgfnames,
  mask = NULL,
  ROI = FALSE,
  atlas = NULL,
  atlasdataset = NULL,
  ROIids = NULL,
  zeromask = FALSE,
  schange = FALSE,
  ...
)

Arguments

imgfnames	a vector for (nifti) file names to be used.
mask	a vector for brain mask data.
ROI	a logical for roi data set.
atlas	an array for the atlas.
atlasdataset	a matrix or data.frame. colnames shold include "ROIid" and "ROIname".
ROIids	a vector
zeromask	a logical for masking voxel with all zeros.
schange	a logical for change dimension.
...	further arguments passed to or from other methods.

Details

imgdatamat requires image file names.

Value

S	data matrix
brainpos	binary brain position.
imagedim	three dimensional vector for image dimension

Examples

# imgfnames1 = c("img1.nii", "img2.nii")
# imgdata = imgdatamat(imgfnames1)

mand documentation built on Sept. 13, 2023, 1:06 a.m.