正态总体均值的假设检验 | 两个总体 | 方差相等 | t. test ( x, y, alternative = c(“two.sided”1ess"greater"), mu = 0, paired = FALSE, var.equal = TRUE, conf.level = 0.95,…) |
方差不等 | t. test ( x, y, alternative = c(“two.sided”1ess"greater"), mu = 0, paired = FALSE, var.equal = FALSE, conf.level = 0.95,…) | ||
成对数据t检验 | t. test ( x-y, alternative = c(“two.sided”1ess"greater"), mu = 0, paired = FALSE, var.equal = FALSE, conf.level = 0.95,…) | ||
正态总体方差的假设检验 | 单个总体 | var. test ( x, y = NULL, ratio = 1, alternative = c("two.sided"1ess"greater"), conf.1evel = 0.95, ...) | |
两个总体 | var. test ( x, y, ratio = 1, alternative = c("two. sided"1ess"greater"), conf.1evel=0.95, ...) | ||
二项分布总体的假设检验 | binom.test ( x, n, p = 0.5, alternative = c("two.sided"1ess"greater"), conf.level = 0.95) |