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Hi Anderson, Is there any problem is I have demeaned the variables....I am just adjusting for them...so I think it would not have been any problem...right? I am not working with fMRI data, just with DTI data and running randomise.... Thank you, Rosalia. 2015-01-25 18:40 GMT+01:00 Anderson M. Winkler <[log in to unmask]>: > Hi Rosalia, > There should be no demeaning in this design, and it can be run in FEAT as > is. > All the best, > Anderson > > > 2015-01-25 17:31 GMT+00:00 Rosalia Dacosta Aguayo <[log in to unmask]>: > >> Dear Anderson, >> >> Here it is the design. >> >> Kind regards, >> >> Rosalia. >> >> 2015-01-25 17:35 GMT+01:00 Anderson M. Winkler <[log in to unmask]>: >> >>> Hi Rosalia, >>> >>> It depends. Sometimes we want to demean EVs, sometimes we don't. It also >>> depends on how the groups were coded and other factors. Maybe if you show >>> the design or give more details it'd be simpler to comment. >>> >>> Thanks >>> >>> All the best, >>> >>> Anderson >>> >>> >>> 2015-01-24 17:54 GMT+00:00 Rosalia Dacosta Aguayo <[log in to unmask]>: >>> >>>> Dear FSL experts, >>>> >>>> I have a question regarding covariating for dichotomic variables (1 or >>>> 0) when running randomise. >>>> >>>> Should I sum all the 1 in the group A and make average of them and >>>> substract the average to every 1? >>>> >>>> Thank you, >>>> >>>> Rosalia. >>>> >>> >>> >> >