srowen commented on a change in pull request #24458: [SPARK-27540][MLlib] Add
'meanAveragePrecision_at_k' metric to RankingMetrics
URL: https://github.com/apache/spark/pull/24458#discussion_r280539410
##########
File path:
examples/src/main/java/org/apache/spark/examples/mllib/JavaRankingMetricsExample.java
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@@ -110,6 +110,9 @@ public static void main(String[] args) {
// Mean average precision
System.out.format("Mean average precision = %f\n",
metrics.meanAveragePrecision());
+ //Mean average precision at k
+ System.out.format("Mean average precision at 2 = %f\n",
metrics.meanAveragePrecisionAt(2));
Review comment:
Nit: unindent
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