Hi, Doug and all,
I have two quesiotns about clusterwise correction for multiple comparsion.
I run 2 corrections,and commands are as follows:
a. mri_glmfit-sim --glmdir g2v0.weight --cache 1.3 abs --cwpvalthresh .05
--2spaces
b. mri_glmfit-sim --glmdir g2v0.weight --cache 1.3 pos --cwpvalthresh .05
--2spaces
Question 1 : Should the postive clusters from result of command a be same as
the result from command b? If yes, why cluster size from reslut of command b is
lager than postive cluster from command a in my case?(see results)
Resluts form a:
# ClusterNo Max VtxMax Size(mm^2) MNIX MNIY MNIZ CWP CWPLow
CWPHi NVtxs Annot
7 5.208 45661 482.74 -6.7 42.3 -22.2 0.01030 0.00900
0.01160 888 medialorbitofrontal
8 5.103 84832 433.13 -32.0 30.7 -2.3 0.02270 0.02080
0.02460 1156 lateralorbitofrontal
Resluts form b:
# ClusterNo Max VtxMax Size(mm^2) MNIX MNIY MNIZ CWP CWPLow
CWPHi NVtxs Annot
1 6.483 140982 864.69 -14.8 58.9 -6.1 0.00360 0.00260
0.00479 1416 rostralmiddlefrontal
2 5.103 84832 808.07 -32.0 30.7 -2.3 0.00599 0.00459
0.00739 2186 lateralorbitofrontal
Question 2 : Is the simulation from pre-cached independent from my results
waiting for being corrected?
Thanks a lot!
Wilder
2014/06/11
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