Displaying 1 result from an estimated 1 matches for "list_to_keep".
2012 Mar 31
1
basic subset question of matrix
...rge expression matrix based on rownames.
That is, I have a list (as a txt-file) with gene names that matches
some of the rows in my matrix.
I've loaded my matrix as well as gene list using the read.table() command.
myMatrix <- read.table("name_of_file.txt", header=T, row.names=1)
list_to_keep <- read.table("name_of_file.txt", header=T)
Thus, both my objects are data frames (however, "list_to_keep" only
have one column).
How do I remove/filter all the rows in my matrix that don't match the
ones in my list_to_keep data frame?
My initial attempt - although uns...