摘要: 方法一:R语言 w <- c(75.0, 64.0, 47.4, 66.9, 62.2, 62.2, 58.7, 63.5, + 66.6, 64.0, 57.0, 69.0, 56.9, 50.0, 72.0)hist(w, freq = FALSE)lines(density(w), col = 阅读全文
posted @ 2019-03-02 13:31 谷子弟 阅读(8906) 评论(0) 推荐(0)