Displaying 1 result from an estimated 1 matches for "test_selector".
2012 Dec 17
2
Why does matrix selection behave differently when using which?
..."t". If I delete the "which" calls from function "countRows" the
resulting sum of matching row numbers is much greater than the number of
rows in "t".
The table "t" I use can be downloaded from here:
https://github.com/groupschoof/PhyloFun/archive/test_selector.zip
Unzip the file and read in the table "t" using t <- read.table("test.tbl")
The above function "sumRows" is defined as follows:
sumRows <- function( tbl, ps ) {
sum(
sapply(ps,
function(x) {
t <- if ( is.na(x) ) {
tbl[ which(...