- binom.test(x, n, p = 0.5,
- alternative = c("two.sided", "less", "greater"),
- conf.level = 0.95)
举例来说,硬币掷 100 次 60 次为正面,null hypothesis 是硬币正反面概率相同,alternative 为硬币正面概率更高或者硬币反面概率更高;假设confidence level 为 95% 则代码如下:
- binom.test(60, 100, p = 0.5,
- alternative = "two.sided",
- conf.level = 0.95)


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