Class PrecisionMetric
java.lang.Object
org.elasticsearch.client.ml.dataframe.evaluation.classification.PrecisionMetric
- All Implemented Interfaces:
EvaluationMetric
,org.elasticsearch.xcontent.ToXContent
,org.elasticsearch.xcontent.ToXContentObject
PrecisionMetric
is a metric that answers the question:
"What fraction of documents classified as X actually belongs to X?"
for any given class X
equation: precision(X) = TP(X) / (TP(X) + FP(X))
where: TP(X) - number of true positives wrt X
FP(X) - number of false positives wrt X-
Nested Class Summary
Nested classes/interfaces inherited from interface org.elasticsearch.xcontent.ToXContent
org.elasticsearch.xcontent.ToXContent.DelegatingMapParams, org.elasticsearch.xcontent.ToXContent.MapParams, org.elasticsearch.xcontent.ToXContent.Params
-
Field Summary
Fields inherited from interface org.elasticsearch.xcontent.ToXContent
EMPTY_PARAMS
-
Constructor Summary
-
Method Summary
Modifier and TypeMethodDescriptionboolean
static PrecisionMetric
fromXContent
(org.elasticsearch.xcontent.XContentParser parser) getName()
Returns the name of the metricint
hashCode()
org.elasticsearch.xcontent.XContentBuilder
toXContent
(org.elasticsearch.xcontent.XContentBuilder builder, org.elasticsearch.xcontent.ToXContent.Params params) Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.elasticsearch.xcontent.ToXContentObject
isFragment
-
Field Details
-
NAME
- See Also:
-
-
Constructor Details
-
PrecisionMetric
public PrecisionMetric()
-
-
Method Details
-
fromXContent
-
getName
Description copied from interface:EvaluationMetric
Returns the name of the metric- Specified by:
getName
in interfaceEvaluationMetric
-
toXContent
public org.elasticsearch.xcontent.XContentBuilder toXContent(org.elasticsearch.xcontent.XContentBuilder builder, org.elasticsearch.xcontent.ToXContent.Params params) throws IOException - Specified by:
toXContent
in interfaceorg.elasticsearch.xcontent.ToXContent
- Throws:
IOException
-
equals
-
hashCode
public int hashCode()
-