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Commit 7d5fa175 authored by Reynold Xin's avatar Reynold Xin
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Merge pull request #337 from yinxusen/mllib-16-bugfix

Mllib 16 bugfix

Bug fix: https://spark-project.atlassian.net/browse/MLLIB-16

Hi, I fixed the bug and added a test suite for `GradientDescent`. There are 2 checks in the test case. First, the final loss must be lower than the initial one. Second, the trend of loss sequence should be decreasing, i.e., at least 80% iterations have lower losses than their prior iterations.

Thanks!
parents 71fc1135 05e6d5b4
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