绘制多变量数据
R 中的多元概率分布
Surajit Ray
Professor, University of Glasgow
多变量的基础 R 作图
pairs(iris_raw[, 1:4])
- 变量多时不太实用
按颜色的成对图
pairs(iris_raw[, 1:4], col = iris_raw$Species)
Lattice
library(lattice)
splom(~iris_raw[, 1:4], col = iris_raw$Species, pch = 16)
使用 ggplot
library(ggplot2)
library(GGally)
ggpairs(data = iris_raw, columns = 1:4, mapping = aes(color = Species))
3D 图
library(scatterplot3d)
scatterplot3d(iris_raw[, c(1, 3, 4)], color = as.numeric(iris_raw$Species))
3D 图
scatterplot3d(iris_raw[, c(1, 3, 4)], color = as.numeric(iris_raw$Species),pch = 4, angle = 80)
