Package org.apache.solr.analytics.statistics

Statistics collectors reduce a list of Objects to a single value.

See: Description

Interface Summary

Interface	Description
StatsCollector	StatsCollector implementations reduce a list of Objects to a single value.

Class Summary

Class	Description
AbstractDelegatingStatsCollector	AbstractDelegationStatsCollector objects wrap other StatsCollectors.
MedianStatsCollector	MedianStatsCollector computes the median.
MinMaxStatsCollector	MinMaxStatsCollector computes the min, max, number of values and number of missing values.
NumericStatsCollector	NumericStatsCollector computes the sum, sum of squares, mean and standard deviation.
PercentileStatsCollector	PercentileStatsCollector computes a given list of percentiles.
StatsCollectorSupplierFactory
UniqueStatsCollector	UniqueValueCounter computes the number of unique values.

Package org.apache.solr.analytics.statistics Description

Statistics collectors reduce a list of Objects to a single value. Most implementations reduce a list to a statistic on that list.