| 释义 |
quantile Statistics.|ˈkwɒntaɪl|
[f. L. quant-us how much, how great: see -il, -ile 2.]
Each of any set of values of a variate which divide a frequency distribution into equal groups, each containing the same fraction of the total population; also, any one of the groups so produced, e.g. a quartile, decile, or percentile.
1940Suppl. to Jrnl. R. Statistical Soc. VII. 83 It is not shown that the distribution of a quantile tends to normality in large samples. 1961Kendall & Stuart Adv. Theory Statistics (ed. 2) II. xxxii. 513 Xp is the p-quantile of the distribution, i.e. the value below which 100p per cent of the distribution lies. 1961L. G. Parratt Probability & Exper. Errors in Sci. ii. 79 If there are M intervals, each interval is called a quantile or an M-tile, or sometimes a fractile. |