摘要: 向量之间的加减乘除运算: > x <- 1 > x [1] 1 2 3 4 5 6 7 8 9 10 > x=x+1 > x [1] 2 3 4 5 6 7 8 9 10 11 > x = 1:10 > x [1] 1 2 3 4 5 6 7 8 9 10 > y = seq(1,100, leng 阅读全文
posted @ 2020-02-27 12:36 Geeksongs 阅读(6315) 评论(0) 推荐(0) 编辑

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