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Gang Chen
October 10, 2007 03:27PM
> set the beta values to absolute values

3dcalc -a InputFile -expr 'abs(a)' -prefix OutputFile

> add a constant positive value?

3dcalc -a InputFile -expr 'a+Constant' -prefix OutputFile

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getting absolute values to run a contrast

Mona October 10, 2007 02:45PM

Re: getting absolute values to run a contrast

Gang Chen October 10, 2007 03:27PM

Re: getting absolute values to run a contrast

Mona October 10, 2007 03:47PM