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How to calculate polygenic risk score by Plink code

I have already successfully calculated the polygenic risk score by this useful tutorial (https://choishingwan.github.io/PRS-Tutorial/plink/).

In this tutorial, the formula of PRS is the sum of (the number of effect allele*effect size), then divided by the total number of used SNPs.

I want to only calculate the sum of (the number of effect allele*effect size). Then I searched and got a tutorial here.(https://www.cog-genomics.org/plink/2.0/formats#sscore)

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How could I get the results of <Score name>_SUM,

What the data input and the input data format of the command "--score", and how I could choose to get my target results?

Thanks a lot!

sscore prs plink
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written by Phylicia • Phylicia

Oh, I found the answer. It works if adding “sum” after "header".

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written by Phylicia • Phylicia

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