3.1 条件语句
###1.if(){ } 如果。。。...= str_detect(samples,"tumor");k1 ###[1] TRUE TRUE TRUE FALSE FALSE FALSE
ifelse(k1,"tumor","normal...)
} else if (i< 0){
print('-')
}
ifelse(i>0,"+",ifelse(i<0,"-","0"))
3.2 循环语句
图片
### 1.for循环
图片
##...#如何将结果存下来?...搜索一下
m=str_replace_all(z[,4],"C","c")
str_replace_all(m,"V","v")
tolower(g[,4])
str_to_lower(g[,4])
#