Github user felixcheung commented on a diff in the pull request: https://github.com/apache/spark/pull/20232#discussion_r161365548 --- Diff: R/pkg/tests/fulltests/test_mllib_classification.R --- @@ -382,10 +382,10 @@ test_that("spark.mlp", { trainidxs <- base::sample(nrow(data), nrow(data) * 0.7) traindf <- as.DataFrame(data[trainidxs, ]) testdf <- as.DataFrame(rbind(data[-trainidxs, ], c(0, "the other"))) - model <- spark.mlp(traindf, clicked ~ ., layers = c(1, 3)) + model <- spark.mlp(traindf, clicked ~ ., layers = c(1, 2)) --- End diff -- ok; I think perhaps we need to release-note this (like [this](http://spark.apache.org/docs/latest/sparkr.html#upgrading-to-sparkr-220))
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