kixi.stats.test — kixi/stats 0.4.4

chi-squared-test clj/s

(chi-squared-test table)

Calculates the X^2 test of independence for a given contingency table. See kixi.stats.core/cross-tabulate

simple-z-test clj/s

(simple-z-test {:keys [mu sd]} {:keys [mean n]} & [opts])

Calculates the z-test of statistical significance for a sample mean. mu: the population mean sd: the population standard deviation mean: the sample mean n: the sample size opts: tails: (optional) must be one of :lower, :upper, or :both (default). See also: kixi.stats.core/simple-z-test

z-table clj/s

(z-table z & [{:keys [tails] :or {tails :both}}])

z-test clj/s

(z-test {mean-x :mean sd-x :sd n-x :n} {mean-y :mean sd-y :sd n-y :n} & [opts])

Calculates the z-test of statistical significance between two sample means. Requires the mean, sd and sample size (n) of both samples. opts: tails: (optional) must be one of :lower, :upper, or :both (default). See also: kixi.stats.core/z-test