如何通过模式匹配重命名名称;仅保留其与 “B” 从第2列开始琴弦4使用模式匹配将名称重命名为
colnames(J)
"ensembl_gene_id" "Sample_3605_1_B1_1321584_RC" "Sample_3605_2_B2_1321584_Eso" "Sample_3605_5_B14_1326370_RC" "Sample_3605_8_B19_1326383_RC" "chromosome_name" "start_position" "end_position"
预期输出
"ensembl_gene_id" "B1" "B2" "B14" "B19" "chromosome_name" "start_position" "end_position"
我试图
j[2:4] <- gsub(pattern = "^Sample_3605_[[:digit:]]","",j[2:4])
'colnames(J)< - GSUB( “\\ 1”,colnames( “* _(B [^ _] *)*。?”。 j)条)'? –