[SPARK-45434][ML][CONNECT] LogisticRegression checks the training labels #43246
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LuciferYang
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### What changes were proposed in this pull request? - checks the training labels - get `num_features` together with `num_rows` ### Why are the changes needed? training labels should be in [0, numClasses) ### Does this PR introduce _any_ user-facing change? no ### How was this patch tested? ci ### Was this patch authored or co-authored using generative AI tooling? no Closes apache#43246 from zhengruifeng/ml_lr_nit. Authored-by: Ruifeng Zheng <ruifengz@apache.org> Signed-off-by: Ruifeng Zheng <ruifengz@apache.org>
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What changes were proposed in this pull request?
num_featurestogether withnum_rowsWhy are the changes needed?
training labels should be in [0, numClasses)
Does this PR introduce any user-facing change?
no
How was this patch tested?
ci
Was this patch authored or co-authored using generative AI tooling?
no