- ![](https://)用factoextra/FactoMineR做主成分分析: facto_summarize带到结果 如何理解?特别是cos2这个代表啥?
有人白话解释下么。谢谢!
library(FactoMineR)
library(factoextra)
data("housetasks")
res.ca <- CA(housetasks, graph = FALSE)
facto_summarize(res.ca, "row", axes = 1:2)[,-1]
Dim.1 Dim.2 coord cos2 contrib
Laundry -0.9918368 0.495322 1.2290841 0.9245395 12.5556235
Main_meal -0.8755855 0.4901092 1.0068569 0.9739621 8.9413526
Dinner -0.692574 0.3081043 0.5745869 0.9303433 3.6018327
Breakfeast -0.5086002 0.4528038 0.4637054 0.9051733 3.7680288
Tidying -0.3938084 -0.4343444 0.3437401 0.9748275 2.4340753
Dishes -0.1889641 -0.4419662 0.2310416 0.7642703 1.5153488
Shopping -0.1176813 -0.4033171 0.1765136 0.8113088 1.2294289
Official 0.2266324 0.2536132 0.1156819 0.1194711 0.6445857
Driving 0.7417696 0.6534143 0.9771724 0.7672477 7.8836989
Finances 0.2707669 -0.6178684 0.455076 0.9973464 2.9847396
Insurance 0.6470759 -0.4737832 0.6431778 0.884814 5.1890738
Repairs 1.5287787 0.8642647 3.0841176 0.9326072 29.5364916
Holidays 0.2524863 -1.4350066 2.1229933 0.9921522 19.7157199