07 2017 档案

18/07/2017 R matrix
摘要：矩阵：二维数组，元素拥有相同模式（数值型，字符型或者逻辑型） mymatrix <- matrix (vector, nrow_num_of_rows, ncol_num_of_columns, byrow) 阅读全文
posted @ 2017-07-18 17:10 DUDUDA 阅读(105) 评论(0) 推荐(0)
08/07/2017 R
摘要：from today,i will learn something about the R. install R studio code: 1.>install.packages("swirl") >library(swirl)##this sentence just for using of th 阅读全文
posted @ 2017-07-08 23:37 DUDUDA 阅读(110) 评论(0) 推荐(0)