SPARK-3568 [mllib] add ranking metrics#2667

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coderxiang wants to merge 16 commits intoapache:masterfrom coderxiang:rankingmetrics

+206

Commits on Oct 6, 2014

Commits on Oct 8, 2014

Use generic type to represent IDs
coderxiang
committed

Commits on Oct 10, 2014

add API to calculate precision and ndcg at each ranking position
coderxiang
committed

Commits on Oct 15, 2014

set precAtK and ndcgAtK as private member. Improve documentation
coderxiang
committed
move private members precAtK, ndcgAtK into public methods. style change
coderxiang
committed

Commits on Oct 16, 2014

add additional test of precisionAt
coderxiang
committed