which method is used to analyze the relationship between a variable and a continuous variable in fmri how to test for correlation how to measure correlation in r how to determine if a correlation is positive to group level how to do correlations in fmri how to find whether fmri is correlated how to test fMRI group correlation why are the variables at the group level different? how to find correlation in r and run a random variable model how to test fmr correlation which of the following methods is used to calculate correlations at the group level? what is the purpose of using mixed effect linear model fmri correlations how to calculate correlations in r how to find the correlation of fmri what is the t-value for the correlation analysis in r what to do with a correlation test how is fmri correlated how to find the correlation between the two variables in fmri what is the correlation in r?