摘要: stata <- data.frame(state.name, state.abb, state.area) stata volcano heatmap(volcano) Titanic cars women car data(Chile, package = "car") x <- c(1, 2, 阅读全文
posted @ 2021-05-23 23:00 sinEagle 阅读(158) 评论(0) 推荐(0) 编辑