介绍一个R包UpSetR，专门用来集合可视化，当多集合的韦恩图不容易看的时候，就是它大展身手的时候了。
一 载入R包 数据
代码语言：javascript复制#安装及加载R包
#install.packages("UpSetR")
library(UpSetR)
#载入数据集
data <- read.csv("upSet.csv",header=TRUE)
#先大致浏览一下该数据集,数据集太长，就只看前几列
head(data,6)
二 upSet集合可视化
使用UpsetR包里面的upset()函数绘制集合可视化图形。
1. 基本参数
代码语言：javascript复制upset(data,
sets = c("Action", "Adventure", "Comedy", "Drama", "Fantasy" , "Children","Crime"),#查看特定的几个集合
mb.ratio = c(0.55, 0.45),#控制上方条形图以及下方点图的比例
order.by = "freq", #如何排序，这里freq表示从大到小排序展示
keep.order = TRUE, #keep.order按照sets参数的顺序排序
number.angles = 30, #调整柱形图上数字角度
point.size = 2, line.size = 1, #点和线的大小
mainbar.y.label = "Genre Intersections", sets.x.label = "Movies Per Genre", #坐标轴名称
text.scale = c(1.3, 1.3, 1, 1, 1.5, 1)) #六个数字，分别控制c(intersection size title, intersection size tick labels, set size title, set size tick labels, set names, numbers above bars)
2）queries参数
queries参数分为四个部分：query, param, color, active；
query: 指定哪个query，UpSetR有内置，也可以自定义；
param: list, query作用于哪个交集
color：每个query都是一个list，里面可以设置颜色,没设置的话将调用包里默认的调色板；
active：被指定的条形图：TRUE显示颜色，FALSE在条形图顶端显示三角形；
代码语言：javascript复制upset(data, main.bar.color = "black",
queries = list(list(query = intersects, #UpSetR 内置的intersects query
params = list("Drama"), ##指定作用的交集
color = "red", ##设置颜色，未设置会调用默认调色板
active = F, # TRUE：条形图被颜色覆盖，FALSE：条形图顶端显示三角形
query.name = "Drama"), # 添加query图例
list(query = intersects, params = list("Action", "Drama"),
active =T,
query.name = "Emotional action"),
list(query = intersects, params = list("Drama", "Comedy","Action"),
color = "orange", active = T)),
query.legend = "top")
可以看到 list("Drama") ，list("Action", "Drama") 和 list("Drama", "Comedy", "Action") 均根据 color 设置 显示了不同的颜色。
3）attribute.plots参数
添加属性图，内置有柱形图、散点图、热图等
3.1 添加柱形图和散点图
代码语言：javascript复制upset(data, main.bar.color = "black",
queries = list(list(query = intersects, params = list("Drama"), color = "red",
active = F, query.name = "Drama"),
list(query = intersects, params = list("Action", "Drama"),
active =T,query.name = "Emotional action"),
list(query = intersects, params = list("Drama", "Comedy","Action"),
color = "orange", active = T)),
attribute.plots = list(gridrows = 45, #添加属性图
plots = list(
list(plot = scatter_plot, #散点图
x = "ReleaseDate", y = "AvgRating", #横纵轴的变
queries = T), #T 则显示出上面queries定义的颜色
list(plot = histogram, x = "ReleaseDate", queries = F)),
ncols = 2), # 添加的图分两列
query.legend = "top") #query图例在最上方
3.2 添加箱线图
每次最多添加两个箱线图
代码语言：javascript复制upset(data, boxplot.summary = c("AvgRating", "ReleaseDate"))
三、参考资料
Index of /web/packages/UpSetR/vignettes
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