Gong, thanks!! but your syntax did work out as I would expect. here following
are the reasons:
each row from my original data frame represents data from one subject. when
the one type I number and the
two type II numbers are drawn from the original data frame, both type I
number and type II numb
Hi,
I would try to sample by row index and column index. Hope it helps.
df <- data.frame(matrix(1:18,nrow=3,ncol=6,byrow=TRUE))
colnames(df) <- c(letters[1:3],LETTERS[1:3])
## Generate a new data frame with 10 rows
one <- two <- three <- numeric(10)
for (i in 1:10) {
## Sample from type I
col
2 matches
Mail list logo
