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Hi I couldn't find an online document that explains how to run simple correlation using Randomise in fsl. Can someone check if my usage is correct? Suppose I want to correlate subjects' RD image with their IQ scores (scores are in .csv file), should I use Randomise this way? Randomise -i all_RD_skeletonised.nii IQ.csv -o correlation_RD_IQ -d design.mat -t design.con -D Should I generate a IQ matrix using a command in FSL? Is there a command that generates the right matrix and contrast files for simple correlation? Thanks -Gloria