Hi all,
I would like to create weighted genetic risk scores using a combination of 27 SNPs (variables) and divide by the sum of the used weights.Then, I would like to determine the best score(s) using correlation with 2 outcomes.
This is the code I have been using to create one score and I have to repeat this using different combinations.
gen WtRiskScore= (a1X1+ a2X2+ a3X3+ anXn) / (a1+a2+a3+an)/n
pwcorr WtRiskScore outcome1 outcome1, sig
I know I have to use 'foreach' but not sure how I can ask stata to use different combinations.
Any advice is MUCH appreciated.. Thank you!
Dana
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