AFNI 3D Three-Way ANOVA¶
Library: AFNI | Docker Image: brainlife/afni
Function¶
Voxelwise fixed-effects three-way analysis of variance.
Modality: Multiple 3D NIfTI/AFNI volumes organized by three factors.
Typical Use: Three-factor factorial designs.
Key Parameters¶
-type (1-5), -alevels/-blevels/-clevels, -dset, -fa/-fb/-fc/-fab/-fac/-fbc/-fabc (F-tests)
Key Points¶
Extension of 3dANOVA2 to three factors. Consider 3dMVM for more flexible modeling.
Inputs¶
| Name | Type | Required | Label | Flag |
|---|---|---|---|---|
type |
int |
Yes | ANOVA model type (1-5 for different random/fixed combinations) | |
alevels |
int |
Yes | Number of levels for factor A | |
blevels |
int |
Yes | Number of levels for factor B | |
clevels |
int |
Yes | Number of levels for factor C | |
dset |
record(anova3_dset)[] |
Yes | Dataset specifications (level_A level_B level_C filename) | |
bucket |
string |
Yes | Output bucket dataset prefix | |
fa |
string |
No | F-statistic for factor A | |
fb |
string |
No | F-statistic for factor B | |
fc |
string |
No | F-statistic for factor C | |
fab |
string |
No | F-statistic for A x B interaction | -fab |
fac |
string |
No | F-statistic for A x C interaction | -fac |
fbc |
string |
No | F-statistic for B x C interaction | -fbc |
fabc |
string |
No | F-statistic for A x B x C interaction | -fabc |
amean |
string[] |
No | Mean for level of factor A | -amean |
bmean |
string[] |
No | Mean for level of factor B | -bmean |
cmean |
string[] |
No | Mean for level of factor C | -cmean |
mask |
File |
No | Mask dataset | -mask |
debug |
int |
No | Debug level | -debug |
Accepted Input Extensions¶
- dset:
.nii,.nii.gz,+orig.HEAD,+orig.BRIK,+tlrc.HEAD,+tlrc.BRIK - mask:
.nii,.nii.gz,+orig.HEAD,+orig.BRIK,+tlrc.HEAD,+tlrc.BRIK
Outputs¶
| Name | Type | Glob Pattern |
|---|---|---|
stats |
File |
$(inputs.bucket)+orig.HEAD, $(inputs.bucket)+tlrc.HEAD |
log |
File |
$(inputs.bucket).log |
Output Extensions¶
- stats:
+orig.HEAD,+orig.BRIK,+tlrc.HEAD,+tlrc.BRIK
Docker Tags¶
Available versions: latest, 16.3.0
Categories¶
- Functional MRI > AFNI > Statistical Analysis