so im using a dataset and want to find things such as mean, trim mean, median, percentiles etc. of "fluid" produced for both boys ("sex"=1) and girls ("sex"=0) and also omit data in which fluid = na.so im using a dataset and want to find things s
阅读背景：
变量的平均值如果另一个变量= 0/1并且省略na（在R中）
来源：互联网
分享到：
