Hi all, Please help me to code this. This is the dataset below-  I have 2 drugs being used for each ID i.e., SGA and DM. I have multiple start date and end dates for each ID and drug. I want to see if the DM_start falls into any of the SGA_start and SGA_end under each id. That is DM_start of period 3 can fall in the SGA_start and SGA_end of period1. And also calculate the number of overlapping days for each time period. I want to know the no. of days for each orange period. Thank you all in advance, Any help would be appreciated.     ... View more

Where to define your SAS libraries in SAS Viya? Part 1 ... View more

Hi, I'm trying to create a table like this:   From this output:   I only want to keep the values where both variable have a value of 1. The above output was created using the following code: Proc surveyfreq data=work.ocd; table dsm_OCD*(Contamination_OC Harming_OC Ordering_OC Hoarding_OC Sex_rel_mor_OC Any_OC One_OC Two_OC Three_OC Four_OC Five_OC)/nowt; weight finalp2wt; run; ... View more

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