phaniarnab commented on a change in pull request #1089:
URL: https://github.com/apache/systemds/pull/1089#discussion_r513641937
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File path: scripts/builtin/kmeans.dml
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@@ -86,7 +87,11 @@ m_kmeans = function(Matrix[Double] X, Integer k = 10,
Integer runs = 10, Integer
# Select the i-th centroid in each sample as a random sample row id with
# probability ~ min_distances:
- random_row = rand(rows = 1, cols = num_runs);
+ if (seed == -1){
+ random_row = rand(rows = 1, cols = num_runs);
+ } else{
+ random_row = rand(rows = 1, cols = num_rows, seed = seed);
+ }
Review comment:
Only one rand call should be sufficient. If not, I suggest to replace
this with a single `ifelse` call.
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