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Hi Olof, You can use the same design you're already familiar with, but in case you want to code group as +1 and -1, include an additional EV for the intercept, along with age. The contrast is then [1 0 0]. All the best, Anderson On 5 June 2018 at 10:57, Olof Lindberg <[log in to unmask]> wrote: > Can I do a traditional designmatrix for first analysis and use two > events for group and one for covariate? > > If not how would I do the t-contrast before the F ... just as 1 > > Usually I do 1 -1 0 (group 1 minus group 2 regressing out effect of age) > > but in first we use 1 and -1 in the same event column ..... so how is the > t-contrast then set? > > best > Olof > > ######################################################################## > > To unsubscribe from the FSL list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1 > ######################################################################## To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1