1 |
m |
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coln |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | ##---- Should be DIRECTLY executable !! ----
##-- ==> Define data, use random,
##-- or do help(data=index) for the standard data sets.
## The function is currently defined as
function (m, coln = NULL)
{
if (is.null(coln))
stop("specify coln")
x <- m[, coln]
val <- unique(x)
if (length(val) > 2)
stop("More than two values detected in specified column")
flag <- (x == val[1])
m1 <- m[flag, ]
m2 <- m[!flag, ]
list(m1 = m1, m2 = m2)
}
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