Stage 1: Specifying the Objectives of Exploratory Factor Analysis
Stage 2: Designing an Exploratory Factor Analysis
Stage 3: Testing the Assumptions in Exploratory Factor Analysis
1.KMO and Bartlstt's Test
重点在Correlation 部分。
利用excel将对角线的MSA值取出来。
删除多余部分
将a删除
去掉最低的X15，重复上面步骤，
去掉X17，继续
均大于0.5。
Stage 4: Deriving Factors and Assessing Overall Fit
其中，这是有无sort大致效果。
最终输出结果：
Percentage of variance criterion
Screen Plot
Parallel analysis
https://oconnor-psych.ok.ubc.ca/nfactors/nfactors.html
在网站中
全选，复制
粘贴进去，修改
Stage 5: Interpreting the Factors
Rotated Component Matrix
Communalities
Stage 6: Validating the Exploratory Factor Analysis Results
Stage 7: Additional Uses of Exploratory Factor Analysis Results
