统计学术语,如果将一组数据从小到大排序,并计算相应的累计百分位,则某一百分位所对应数据的值就称为这一百分位的百分位数。可表示为:一组n个观测值按数值大小排列。如,处于p%位置的值称第p百分位数。
不同胎龄新生儿出生体重百分位数曲线。
Percentile Curves for Neonatal Birthweight for Gestational Age.
质方图,百分位数,平均,中位数,变异…等。
本文提供了陕西省0-18岁儿童的BMI的年龄别百分位数曲线。
Presented here is the age-related BMI centile curves for children aged 0-18 years in Shaanxi.
Then as you move out to the equity markets where it's harder to price things as efficiently--large-cap stocks -there are two-fold percentage points,first to third quartile.
如果你转而观察,难以有效定价的市场,比如大盘股,第一和第三个四分位数相差2个百分点
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