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Dear AFNI users-

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Sincerely, AFNI HQ

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JW
February 25, 2018 06:02PM
Dear AFNI experts,

I have a question regarding 3dttest++.

I have run a 3dttest++ with the below script.

3dttest++ -paired \
-clustsim -prefix 3dttest++_Ex-Rest \
-mask sub26/sub26.Condition2/results/mask_group+tlrc \
sub101 'stats.sub101.Condition1+tlrc.BRIK[10]' \
sub102 'stats.sub102.Condition1+tlrc.BRIK[10]' \
sub104 'stats.sub104.Condition1+tlrc.BRIK[10]' \
sub108 'stats.sub108.Condition1+tlrc.BRIK[10]' \
sub109 'stats.sub109.Condition1+tlrc.BRIK[10]' \
sub110 'stats.sub110.Condition1+tlrc.BRIK[10]' \
sub111 'stats.sub111.Condition1+tlrc.BRIK[10]' \
sub113 'stats.sub113.Condition1+tlrc.BRIK[10]' \
sub114 'stats.sub114.Condition1+tlrc.BRIK[10]' \
sub117 'stats.sub117.Condition1+tlrc.BRIK[10]' \
sub118 'stats.sub118.Condition1+tlrc.BRIK[10]' \
sub120 'stats.sub120.Condition1+tlrc.BRIK[10]' \
sub121 'stats.sub121.Condition1+tlrc.BRIK[10]' \
sub122 'stats.sub122.Condition1+tlrc.BRIK[10]' \
sub123 'stats.sub123.Condition1+tlrc.BRIK[10]' \
sub127 'stats.sub127.Condition1+tlrc.BRIK[10]' \
sub131 'stats.sub131.Condition1+tlrc.BRIK[10]' \
sub133 'stats.sub133.Condition1+tlrc.BRIK[10]' \
sub136 'stats.sub136.Condition1+tlrc.BRIK[10]' \
sub137 'stats.sub137.Condition1+tlrc.BRIK[10]' \
sub138 'stats.sub138.Condition1+tlrc.BRIK[10]' \
sub139 'stats.sub139.Condition1+tlrc.BRIK[10]' \
-setB Condition2 \
sub101 'stats.sub101.Condition2+tlrc.BRIK[10]' \
sub102 'stats.sub102.Condition2+tlrc.BRIK[10]' \
sub104 'stats.sub104.Condition2+tlrc.BRIK[10]' \
sub108 'stats.sub108.Condition2+tlrc.BRIK[10]' \
sub109 'stats.sub109.Condition2+tlrc.BRIK[10]' \
sub110 'stats.sub110.Condition2+tlrc.BRIK[10]' \
sub111 'stats.sub111.Condition2+tlrc.BRIK[10]' \
sub113 'stats.sub113.Condition2+tlrc.BRIK[10]' \
sub114 'stats.sub114.Condition2+tlrc.BRIK[10]' \
sub117 'stats.sub117.Condition2+tlrc.BRIK[10]' \
sub118 'stats.sub118.Condition2+tlrc.BRIK[10]' \
sub120 'stats.sub120.Condition2+tlrc.BRIK[10]' \
sub121 'stats.sub121.Condition2+tlrc.BRIK[10]' \
sub122 'stats.sub122.Condition2+tlrc.BRIK[10]' \
sub123 'stats.sub123.Condition2+tlrc.BRIK[10]' \
sub127 'stats.sub127.Condition2+tlrc.BRIK[10]' \
sub131 'stats.sub131.Condition2+tlrc.BRIK[10]' \
sub133 'stats.sub133.Condition2+tlrc.BRIK[10]' \
sub136 'stats.sub136.Condition2+tlrc.BRIK[10]' \
sub137 'stats.sub137.Condition2+tlrc.BRIK[10]' \
sub138 'stats.sub138.Condition2+tlrc.BRIK[10]' \
sub139 'stats.sub139.Condition2+tlrc.BRIK[10]' \

And, this resulted in the below sub-bricks

sub-brick #0 Condition 1 - Condition 2 mean
sub-brick #1 Condition 1 - Condition 2 Tstat
sub-brick #2 Condition 1 mean
sub-brick #3 Condition 1 Tstat
sub-brick #4 Condition 2 mean
sub-brick #3 Condition 2 Tstat

When I ran the above script using stat files from the different simuli and it resulted in the below results.

sub-brik #0 Condition 1 - Condition 2 mean
sub-brik #1 Condition 1 - Condition 2 Zscr
sub-brik #2 Condition 1 mean
sub-brik #3 Condition 1 Zscr
sub-brik #4 Condition 2 mean
sub-brik #3 Condition 2 Zscr

I am wondering why these resulted in different sub-bricks and if Zscr generates different result from Tstat.

Thank you in advance,
Junyeon
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Subject Author Posted

3dttest++

JW February 25, 2018 06:02PM

Re: 3dttest++

gang February 26, 2018 05:15PM