简介
统计计算语言，支持向量运算，循环补齐规则会把较短的操作数重复用到较长的向量上。
使用这门语言的成员
参与的讨论
Ported a short MATLAB script to R and one result came back as a matrix
Trying to redo a short MATLAB script in R, and I've barely touched MATLAB before. Most of it came over fine, except for a sin…
na.rm = TRUE on a group that is all NA
Per-group totals with tapply(x, g, sum, na.rm = TRUE), and one group came back as 0. Every value in that group is NA. Not a s…
COUNT(col) changed what a ratio meant
A report showed the share of orders with a shipping date as COUNT(shipped_at) * 1.0 / COUNT(*). It was right for a while. The…
