quantile
Noun
Meaning
quantile (plural quantiles)
(statistics) One of the class of values of a variate which divides the members of a batch or sample into equal-sized subgroups of adjacent values or a probability distribution into distributions of equal probability.
Synonyms
Anagrams
Examples
Examples The following two examples use the Nearest Rank definition of quantile with rounding.
In particular, the quantile z 0.975 is 1.96 ; therefore a normal random variable will lie outside the interval μ ± 1.96σ in only 5% of cases.
In some cases the value of a quantile may not be uniquely determined, as can be the case for the median (2-quantile) of a uniform probability distribution on a set of even size.
SAS includes five sample quantile methods, SciPy http://docs.
The groups created are termed halves, thirds, quarters, etc., though sometimes the terms for the quantile are used for the groups created, rather than for the cut points.
There is one less quantile than the number of groups created.