zhengruifeng 57649b56d9 [SPARK-30376][ML] Unify the computation of numFeatures ... ### What changes were proposed in this pull request? using `MetadataUtils.getNumFeatures` to extract the numFeatures ### Why are the changes needed? may avoid `first`/`head` job if metadata has attrGroup ### Does this PR introduce any user-facing change? No ### How was this patch tested? existing testsuites Closes #27037 from zhengruifeng/unify_numFeatures. Authored-by: zhengruifeng <ruifengz@foxmail.com> Signed-off-by: zhengruifeng <ruifengz@foxmail.com>		2019-12-30 10:22:40 +08:00
..
benchmarks	[SPARK-29297][TESTS] Compare core/mllib module benchmarks in JDK8/11	2019-09-29 21:43:58 -07:00
src	[SPARK-30376][ML] Unify the computation of numFeatures	2019-12-30 10:22:40 +08:00
pom.xml	[INFRA] Reverts commit 56dcd79 and c216ef1	2019-12-16 19:57:44 -07:00