https://github.com/poyuliu/KTU2/blob/a3a52350d811d32aaf204a7d32e99f47c52c14af/R/KTU2.R#L585 Returns error if `length(clusterX) < 2` (probably only happening with small datasets).
KTU2/R/KTU2.R
Line 585 in a3a5235
Returns error if
length(clusterX) < 2(probably only happening with small datasets).