apoc.agg.percentiles
语法 |
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描述 |
返回给定集合中数值范围的给定百分位数。 |
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参数 |
名称 |
类型 |
描述 |
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要聚合的值。 |
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获取值的百分位数。默认值为: |
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返回 |
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使用示例
本节示例基于以下示例图
CREATE (TopGun:Movie {title:"Top Gun", released:1986, tagline:'I feel the need, the need for speed.'})
CREATE (SleeplessInSeattle:Movie {title:'Sleepless in Seattle', released:1993, tagline:'What if someone you never met, someone you never saw, someone you never knew was the only someone for you?'})
CREATE (ThatThingYouDo:Movie {title:'That Thing You Do', released:1996, tagline:'In every life there comes a time when that thing you dream becomes that thing you do'})
CREATE (TheDevilsAdvocate:Movie {title:"The Devil's Advocate", released:1997, tagline:'Evil has its winning ways'})
CREATE (AsGoodAsItGets:Movie {title:'As Good as It Gets', released:1997, tagline:'A comedy from the heart that goes for the throat.'})
CREATE (YouveGotMail:Movie {title:"You've Got Mail", released:1998, tagline:'At odds in life... in love on-line.'})
CREATE (TheMatrix:Movie {title:'The Matrix', released:1999, tagline:'Welcome to the Real World'})
CREATE (SnowFallingonCedars:Movie {title:'Snow Falling on Cedars', released:1999, tagline:'First loves last. Forever.'})
CREATE (JerryMaguire:Movie {title:'Jerry Maguire', released:2000, tagline:'The rest of his life begins now.'});
CREATE (TheMatrixReloaded:Movie {title:'The Matrix Reloaded', released:2003, tagline:'Free your mind'})
我们可以通过运行以下查询来查找电影在不同百分位数的发行年份
apoc.agg.median
MATCH (movie:Movie)
RETURN apoc.agg.percentiles(movie.released, [0.25, 0.5, 0.75, 1.0]) AS percentiles;
| percentiles |
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[1996, 1997, 1999, 2003] |