[ https://issues.apache.org/jira/browse/SOLR-680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ryan McKinley updated SOLR-680: ------------------------------- Attachment: SOLR-680.patch updated patch: with the sample data: http://localhost:8983/solr/select?q=*:*&stats=true&stats.field=price&stats.field=popularity&stats.stddev=true&rows=0 returns {code:xml} <lst name="stats"> <lst name="stats_fields"> <lst name="price"> <double name="min">0.0</double> <double name="max">2199.0</double> <double name="sum">5251.2699999999995</double> <long name="qt">15</long> <long name="missing">11</long> <double name="mean">350.08466666666664</double> <double name="median">399.0</double> <double name="stddev">547.7375579061129</double> </lst> <lst name="popularity"> <double name="min">0.0</double> <double name="max">10.0</double> <double name="sum">90.0</double> <long name="qt">26</long> <long name="missing">0</long> <double name="mean">3.4615384615384617</double> <double name="median">7.0</double> <double name="stddev">3.557873176275616</double> </lst> </lst> </lst> {code} > StatsComponent - get min, max, sum, qt, avg of number fields > ------------------------------------------------------------ > > 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 > Fix For: 1.4 > > Attachments: SOLR-680.patch, SOLR-680.patch, SOLR-680.patch > > > 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. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.