字符分割
2023-09-15 本文已影响0人
超级无敌大蜗牛
dat$chr <- str_split_fixed(dat$UCSC_CpG_Islands_Name,":", n = 2)[,1]
head(dat,2)
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dat$chr <- str_split_fixed(dat$UCSC_CpG_Islands_Name,":", n = 2)[,1]
head(dat,2)
