read.NIFTI {fmri}R Documentation

I/O Functions

Description

Read fMRI data from NIFTI file(s).

Usage

read.NIFTI(filename, level = 0.75)

Arguments

filename name of the NIFTI file
level Quantile level defining the mask

Details

This function reads fMRI data files in NIFTI format.

The filename can be given with our without extension. If extension is not included, the function searches for the ".nii" file and then for the "hdr/img" pair.

Value

Object of class "fmridata" with the following list entries:

ttt raw vector (numeric size 4) containing the four dimensional data cube (the first three dimensions are voxel dimensions, the fourth dimension denotes the time).
header header information of the data
format data source. string "NIFTI"
delta voxel size in mm
origin position of the datacube origin
orient data orientation code
dim dimension of the datacube
weights weights vector coding the relative voxel sizes in x, y, z-direction
mask head mask

Author(s)

Karsten Tabelow tabelow@wias-berlin.de

See Also

read.ANALYZE, read.AFNI

Examples

 ## Not run: analyze <- read.NIFIT("niftifile.nii")

[Package fmri version 1.2-6 Index]