huaxingao commented on issue #27570: [SPARK-30820][SPARKR][ML] Add FMClassifier to SparkR URL: https://github.com/apache/spark/pull/27570#issuecomment-593518323 @zero323 Sorry, one more thing: ```FMClassifier ```currently only supports binary classification, so the labels must be 0 and 1. The dataset ```iris``` you are using in the test has string label, right? Maybe change the dataset?
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