检验形式 | R语言函数 | ||
正态总体均值的假设检验 | 单个总体 | 双边检验 | t. test ( x, y = NULL, alternative = c("1ess"greater"), mu = 0, paired = FALSE, var.equal = FALSE, conf.level = 0.95,…) |
单边检验 | t. test ( x, y = NULL, alternative = “two.sided”, mu = 0, paired = FALSE, var.equal = FALSE, conf.level = 0.95,…) |