partuniq: Classifies Data According to Unique Observations
Description
Gives a one-to-one mapping from unique observations to rows of a data matrix.
Usage
partuniq(x)
Arguments
x
Matrix of observations.
Value
A vector of length nrow(x) with integer entries. An observation
k is assigned an integer i whenever observation i
is the first row of x that is identical to observation k
(note that i <= k).
# NOT RUN {set.seed(0)
mat <- data.frame(lets = sample(LETTERS[1:2],9,TRUE), nums = sample(1:2,9,TRUE))
mat
ans <- partuniq(mat)
ans
partconv(ans,consec=TRUE)
# }