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We have some first level analysis 1/2 was run with fsl3.2 and is in analyze format (.hdr/.img), the other 1/2 was run with 3.3 and is in compressed nifti format (nii.gz) Off the bat, I'm wondering if this is a "Bad Idea(TM)". I'm consistently getting an $fmri(VOLUME$rawstats) value of 0, which in turn causes gnuplot to error out when creating the tsplots. Looks something like this: > /Volumes/local/fsl-testing/bin/smoothest -d 13 -m mask -r stats/ > res4d > stats/smoothness > WARNING: Extreme smoothness detected in X - possibly biased global > estimate. > WARNING: Extreme smoothness detected in Y - possibly biased global > estimate. > WARNING: Extreme smoothness detected in Z - possibly biased global > estimate. > > rm -f stats/res4d* > > /Volumes/local/fsl-testing/bin/avwmaths stats/zstat1 -mas mask > thresh_zstat1 > > echo 0 > thresh_zstat1.vol > zstat1: DLH=nan VOLUME=0 RESELS=nan > > /Volumes/local/fsl-testing/bin/avwmaths stats/zstat2 -mas mask > thresh_zstat2 > > echo 0 > thresh_zstat2.vol > zstat2: DLH=nan VOLUME=0 RESELS=nan > .......... > > mkdir tsplot > > /Volumes/local/fsl-testing/bin/tsplot . -f filtered_func_data -o > tsplot > > gnuplot> plot 'tsplot/tsplot_zstat1.txt' using 1 title 'data' with > lines , 'tsplot/tsplot_zstat1.txt' using 2 title 'cope partial > model fit' with lines , 'tsplot/tsplot_zstat1.txt' using 3 title > 'full model fit' with lines > > > > ^ > line 0: Can't plot with an empty y range! > > convertb: Not a GIF image file (./magicsOMaZK). > convertb: Missing an image file name. Is this indicative of a problem with the design or could it be a result of our mixed input formats? -james