[英]Subset a data frame based on values of another column in data frame
是否可以像在dup$Number
那樣取一列數值,並在DG中與dup$number
相匹配的子集列作為新數據幀返回?
dup
Number Letter
59 Q
91 Q
19 Q
17 Q
DG
chr pos id ref alt refc altc qual cov line_21 line_26 line_28 line_31 line_32 line_38 line_40 line_41 line_42 line_45 line_48 line_49 line_57 line_59 line_69 line_73 line_75 line_83
1 2R 7006506 2R_7006506_SNP C A 169 26 999 29 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 2 -
嘗試
indx <- grep('line', names(DG))
DG[indx[as.numeric(sub('.*_', '', names(DG)[indx])) %in% dup$Number]]
# line_59
#1 0
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.