StatsComponent - get min, max, sum, qt, avg of number fields
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Key: SOLR-680
URL: https://issues.apache.org/jira/browse/SOLR-680
Project: Solr
Issue Type: New Feature
Components: search
Reporter: Koji Sekiguchi
Priority: Minor
StatsComponent - it returns min,max,sum,qt,avg of specified number fields:
request parameters:
&stats=on&stats.field=price
{code:xml}
<stats>
<stats_fields>
<lst name="price">
<double name="min">10</double>
<double name="max">30</double>
<double name="avg">20</double>
<double name="sum">60</double>
<double name="qt">3</double>
</lst>
</stats_fields>
</stats>
{code}
WRT "stats", the component can output sum and avg, but not sd and var.
USE CASE:
StatsComponent can be used to get "market price" of DocSet e.g. rental housing
site, package tour site.
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