Src=as.factor(c("nc","us","us","nc","nc","ci","nn","pr","nc","nc","ak","ak","ak","ak","ci","hv","ak","ci","nc","nc"))
Version = as.factor(c(0,4,7,0,0,0,9,0,0,0,1,1,1,1,0,2,1,0,0,0))
table(Src,Version)
输出:
Version
Src 0 1 2 4 7 9
ak 0 5 0 0 0 0
ci 3 0 0 0 0 0
hv 0 0 1 0 0 0
nc 7 0 0 0 0 0
nn 0 0 0 0 0 1
pr 1 0 0 0 0 0
us 0 0 0 1 1 0
我可以改为显示相对频率,而不是显示计算的数字吗?
3 回答
当然 . 你可以使用
prop.table()
来达到这个效果:这将生成一个表格,如:
您可以使用可选参数
margin
来请求行或列相对频率 .那确实是一个FAQ .
只需将表格除以其总和即可:
另见
?prop.table
.一种选择是使用
barplot
与beside=TRUE
来显示组之间的相对(图表不会随比例选项,只是比例)更改 .