Partition crosstable with empty clusters
This produces a crosstable between two integer vectors (partitions) of
the same length with a given maximum vector entry k so that the
size of the table is k*k with zeroes for missing entries
between 1 and k (the command table does pretty
much the same thing but will leave out missing entries).
xtable(c1,c2,k)
c1 |
vector of integers. |
c2 |
vector of integers of same length as |
k |
integer. Must be larger or equal to maximum entry in
|
A matrix of dimensions c(k,k). Entry [i,j] gives the
number of places in which c1==i & c2==j.
c1 <- 1:3 c2 <- c(1,1,2) xtable(c1,c2,3)
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