choishingwan / PRS-Tutorial

A tutorial on how to run basic polygenic risk score analysis
MIT License
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'y.col' and 'ind.col' should have the same length. #29

Closed Sandyyy123 closed 3 years ago

Sandyyy123 commented 3 years ago

[pred_inf <- NULL for(chr in 1:22){ obj.bigSNP <- snp_attach(paste0("courage_eur.qc01_chr",chr,".rds")) genotype <- obj.bigSNP$genotypes ind.test <- 1:nrow(genotype) chr.idx <- which(info_snp$chr == chr) ind.chr <- info_snp$_NUM_ID_[chr.idx] tmp <- big_prodVec(genotype, beta_inf, ind.row = ind.test, ind.col = ind.chr) if(is.null(pred_inf)){ pred_inf <- tmp }else{ pred_inf <- pred_inf + tmp } } ]