Hi All,
I am trying to run stats on my smoothed images after VBM procedure. I am encountering following difficulties
1) I am following steps described in VBM8 manual, I have 5 groups and I want to run one way ANOVA (simple ANOVA no covariates or anything) on it. As recommended in VBM8 manual I am unable to run "full factorial model" I think because I haven't specified any factors in it so it is not running so I choose One way ANOVA from the menu and could get SPM.mat file after this I am unable to define contrast matrix I don't know why?. I followed the steps in VBM8 manual go to SPM menu then Results choose SPM.mat file created from above step after this contrast manager is not opening instead of this a small window pops up asking the following question " This model has not been estimated would you like to estimate it now?. Kindly help me here.
2) I assume that the above one way ANOVA and full factorial model is
based on GRF so If I want to run nonparametric stats on my smoothed images I should use SnPM am I right?
Thanks
Venkat
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