what kind of data is used to cluster variables what type of variable is the cluster variable is ctrl11 continuous or categorical what is a clustering variable in regression which variable can take any value which control variable is a cluster variable? how do you cluster two continuous variables? how to shrink the control variables in logit regression what is the purpose of clustering variable which control variable is clustered clustering a variable v1 what is clustering variable how to shrink ctrl11 and ctr12 when do you shrink a control variable how many variables in regression how to cluster variable how to shrink control variables if they have a cluster what is the definition of clustering variables? how do you shrink the clusters in logit regression how many cluster variable do i have