GitHub user mengxr opened a pull request:
https://github.com/apache/spark/pull/1493
[SPARK-2552][MLLIB] stabilize logistic function in pyspark
to avoid overflow in `exp(x)` if `x` is large.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mengxr/spark py-logistic
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1493.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1493
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commit 259e863d96bcc54fc3f74e41b35e4c7494d0476f
Author: Xiangrui Meng <m...@databricks.com>
Date: 2014-07-19T08:51:38Z
stabilize logistic function in pyspark
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