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How to produce overlapping QQ-plot from GWAS results?

Hi, I would like to make an overlapping QQ-plot from the GWAS results. I have run two GWAS analyses and want to generate a figure where the QQ-plot from both GWAS are overlaid on one another. I am using the R-package "qqman" for that. But it does not have that kind of function.

Can someone please tell me how to do that in R?

Thank you.

enter image description here

The figure is adopted from [https://www.nature.com/articles/s41588-020-0612-7

r data-visalization gwas snp
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written by anikcropscience • anikcropscience

1 answer

Check my answer in this post: How to make Q-Q plots for different models at a single chart using R?

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written by Lemire Lemire

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