R有没有像python那样的数据透视表Dataframe有多个索引

Question

有没有R有pivot table像python Dataframe有多个索引？ 例子：

first  bar     baz     foo     qux 
second  one  two  one  two  one  two  one 
A  0.895717 0.805244 -1.206412 2.565646 1.431256 1.340309 -1.170299 
B  0.410835 0.813850 0.132003 -0.827317 -0.076467 -1.187678 1.130127 
C  -1.413681 1.607920 1.024180 0.569605 0.875906 -2.211372 0.974466 

Answer 1

你可以尝试看看rpivotTable，它会为你生成data.frame到HTML视图。这里是链接https://cran.r-project.org/web/packages/rpivotTable/rpivotTable.pdf

library(rpivotTable) 
rpivotTable(iris, rows = c("Species"), cols = c("Sepal length","Petal length"))