srowen commented on a change in pull request #27519: [SPARK-30770][ML][WIP]
avoid vector conversion in GMM.transform
URL: https://github.com/apache/spark/pull/27519#discussion_r380227419
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File path: python/pyspark/ml/clustering.py
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@@ -271,18 +269,18 @@ class GaussianMixture(JavaEstimator,
_GaussianMixtureParams, JavaMLWritable, Jav
>>> gaussians[0].mean
DenseVector([0.825, 0.8675])
>>> gaussians[0].cov.toArray()
- array([[ 0.005625 , -0.0050625 ],
- [-0.0050625 , 0.00455625]])
+ array([[ 0.00562..., -0.00506...],
Review comment:
How much did the answer change? trying to figure out whether it's more or
less accurate. Unless the perf difference is significant I wouldn't want to
lose much here.
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