Description Usage Arguments Author(s) References See Also Examples
post.overlay
overlays a statistical PPM volume of voxel
activations on the original fMRI volume to visualise medical imaging
data.
1 2 |
fbase |
If |
vreg |
regression variable to represent in PPM; default(vreg=2) |
nu.e |
d.f. parameter for regression error variance prior (def: 3) |
rg |
rg=c(first, last): a vector containing the first and last numbers of the sequence of slices to be processed. If rg=c(NULL,NULL) (default), all slices in the volume are processed. |
view |
choice among the three orthogonal views
|
savedir |
Directory (def: tempdir()) where the (PPM) NIFTI
volume built by |
A. Ferreira da Silva, Universidade Nova de Lisboa,
Faculdade de Ciencias e Tecnologia,
afs@fct.unl.pt.
Adelino Ferreira da Silva (2011). “A Bayesian Multilevel Model for fMRI Data Analysis.”, Computer Methods and Programs in Biomedicine, 102,(3), 238–252.
cudaMultireg.volume
,
buildzstat.volume
,
read.fmrislice
1 2 3 4 5 6 7 8 9 | ## Not run:
## Simulation using the visual/auditory test dataset "fmri"
cudaMultireg.volume(fbase="fmri", R=2000, savedir=tempdir())
buildzstat.volume(fbase="fmri", vreg=2)
post.overlay(fbase="fmri", vreg=2, view="axial")
buildzstat.volume(fbase="fmri", vreg=4)
post.overlay(fbase="fmri", vreg=4, view="axial")
## End(Not run)
|
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