Re: [R] Order a data frame based on the order of another data frame

*Hi,* * * *i think that you are making a mistake. When you use * * * order(rownames(snp.matrix$fam)) you're sorting the data, so it will be in the same order of the data_one. If rownames() are defined correctly in data_one, you only have to do: data_one[rownames(snp.matrix$fam),] Note that it's

[R] Order a data frame based on the order of another data frame

Hi, I am trying to match the order of the rownames of a dataframe with the rownames of another dataframe (I can't simply sort both sets because I would have to change the order of many other connected datasets if I did that): Also, the second dataset (snp.matrix$fam) is a snp matrix slot: so for e