Dear SPMers
I'm trying to make some analysis on SPM using the same subjects but with different smoothing, I have made a 2 sample t-test for each smoothing; I can get the uncorrected results and can perform a FDR correction even if no voxels survive the thershold, but when I try to make FWE correction on the big smoothed images the folliwing error appears:
SPM5: spm_results_ui (v$Rev: 1776 $) 18:18:29 - 27/11/2009
========================================================================
SPM computation : ...initialising
SPM computation : ...done
Warning: Returning NaN for out of range arguments
> In spm_invTcdf at 93
In spm_u at 29
In spm_uc_RF at 30
In spm_uc at 39
In spm_getSPM at 613
In spm_results_ui at 274
??? Error using ==> betainc
X must be in the interval [0,1].
Error in ==> spm_Tcdf at 106
F(Q) = xQxPos -(xQxPos*2-1).*0.5.*betainc(v(Qv)./(v(Qv)+x(Qx).^2),v(Qv)/2,1/2);
Error in ==> spm_P_RF>spm_ECdensity at 157
EC(1,:) = 1 - spm_Tcdf(t,v);
Error in ==> spm_P_RF at 59
EC = spm_ECdensity(STAT,Z,df);
Error in ==> spm_uc_RF at 37
[P P p] = spm_P_RF(1,0,u,df,STAT,R,n);
Error in ==> spm_uc at 39
u = spm_uc_RF(a,df,STAT,R,n);
Error in ==> spm_getSPM at 613
u = spm_uc(u,df,STAT,R,n,S);
Error in ==> spm_results_ui at 274
[SPM,xSPM] = spm_getSPM;
??? Error while evaluating uicontrol Callback.
(not for the data sets with lower smoothing, where I can run the FWE).
All the configuration of the parameters for the t-test was the same for every smoothed set on every t-test analysis.
Any idea or suggestion will be appreciated
Best Regards
-Gabriel
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