Hello,

For some time, I have successfully calculated "group maps" using 3dmerge as follows:


3dmerge -prefix carpmerge_adults -1blur_fwhm 2 -1mult 4.690 -doall \
"../ro072303/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../gp072303/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../as081303/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../jlb032404/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../jm082703/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../te092403/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../zk100103/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../cs100103/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../ag100803/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../tme102203/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../cm102203/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../gm032404/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../jp120903/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../ww120903/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../sr121003/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../mk012804/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../sh072303/zregression+tlrc[43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73]" \
"../jd012804/zregression+tlrc[43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73]" \
"../pl080404/zregression+tlrc[43,45,47,49,51,53,55,57,59,61,63,65,67,69,71,73]" \
"../dm080404/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../dt052604/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \
"../ph052604/zregression+tlrc[45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75]" \

where three subjects, sh, jd, and pl have slightly smaller statistical buckets because of their idiosyncratic behavior. Essentially, they lack a certain experimental event. Since this event is not modeled for them as a -stim_file, their buckets are two less. SUb-brik 43 for them is the same Linear Contrast as sub-brik 45 for the majority. Some time ago I was assured that AFNI would go by the comma-list order in the script such that subbrik 43 of the three subjects' maps would be merged with 45 of the rest.... their 45 with 47 of the rest and so on...

However, my latest attempt resulted in a

" -doall dataset nvals mismatch at file ../jd012804/zregression+tlrc[43,45,47,49,51,5.." error. Is this due to new code? I have been using -doall successfully despite merging across datasets with different bucket totals before.

What should I do?

Jim B