摘要: require(graphics)# a 2-dimensional examplex <- rbind(matrix(rnorm(100, sd = 0.3), ncol = 2), matrix(rnorm(100, mean = 1, sd = 0.3), ncol = 2... 阅读全文
posted @ 2014-12-19 10:37 ilxx1988 阅读(177) 评论(0) 推荐(0) 编辑
摘要: R regex 阅读全文
posted @ 2014-12-19 10:36 ilxx1988 阅读(381) 评论(0) 推荐(0) 编辑