摘要: library(splines) library(ggplot2) dt1 <- structure(list(Age = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 阅读全文
posted @ 2017-01-19 22:26 emanlee 阅读(4800) 评论(0) 推荐(0) 编辑