mboehm7 edited a comment on issue #868: [SYSTEMML-2537] Improve the consistency of predicates in "if-then-else" expressions URL: https://github.com/apache/systemml/pull/868#issuecomment-604042157 thanks for creating the issue, but I'm afraid that DML follows R semantics here where both if conditions and ifelse functions interpret negative values as TRUE. Do you think adding this to the docu would help. Btw, in the next days we'll merge SystemDS back into Apache SystemML with many new features and a packed roadmap.
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