Package ubic.basecode.math

Class PrecisionRecall

java.lang.Object

ubic.basecode.math.PrecisionRecall

public class PrecisionRecall
extends Object

Compute area under precision recall

Author:

paul

Constructor Summary

Constructors

Constructor	Description
PrecisionRecall()

Method Summary

Modifier and Type	Method	Description
static double	averagePrecision(List<Double> ranksOfPositives)	"Average Precision is the average of the precision value obtained for the set of top $k$ documents existing after each relevant document is retrieved, and this value is then averaged over information needs".

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PrecisionRecall

public PrecisionRecall()

Method Details

averagePrecision

public static double averagePrecision(List<Double> ranksOfPositives)

"Average Precision is the average of the precision value obtained for the set of top $k$ documents existing after each relevant document is retrieved, and this value is then averaged over information needs". http://nlp.stanford.edu/IR-book/html/htmledition/evaluation-of-ranked-retrieval-results-1.html and http://en.wikipedia.org/wiki/Information_retrieval#Average_precision

Parameters:

totalSize -

ranks - of the positives; LOW ranks are considered better. (e.g., rank 0 is the 'best')

Returns: