可以通过加载插件进行
http://www.statsci.org/excel.html

Statistical Add-Ins for Excel

Ad Science. Develop StatEL, a statistical analysis add-in for Excel for common statistical testing, medical statistical testing and factor analysis.
Analyse-It. Statistical analysis tool for Microsoft Excel. Orientated towards analysis of clinical experiments. Includes standard statistical techniques up to multiple regression and two-way analysis of variance. A 14-day evaluation version is available.
Daniel's XL Toolbox. Analyze and present data. Free.
dkstatisticalconsulting. Excel templates for some commonly used statistical tests. Free.
ezForecaster. Time series and regression forecasting for business applications.
EZSXL. A statistical package for Excel under Windows designed for auditors and fraud investigators. Free.
Lumenaut. Statistical and decision tree add-in for Excel aimed at business applications. Includes regression, logistic regression, decision trees and some time series.
NeuroXL. Neural network add-ons for Excel.
NumXL. Econometric and time-domain time-series models.
Real Statistics Using Excel. It is a practical guide for how to do statistical analysis in Excel plus a free software platform which extends Excel�s built-in statistical capabilities.
RegressIt. Multivariate descriptive data analysis and multiple linear regression. Free.
SigmaXL. Statistical and graphical analyses, with emphasis on business statistics.
Statistician. Data analysis and statistics add-in for Excel. Includes multiple regression, logistic regression and Poisson regression as well as elementary t-tests. A free lite version is available.
UNISTAT. Works as a stand-alone package or an an Excel add-in. Includes a wide range of statistical methodology including logistic regression, classification and clustering.
XLSTAT. Data analysis and statistics add-in for Excel. Includes logistic and probit regression, nonlinear regression, multiple regression and so on. A full working demonstration version is available.
XLStatistics. Excel workbooks for basic statistical analyses. Rodney Carr, Deakin University.
WinSTAT. Statistics add-in for MS-Excel. R Finch Software.

http://www.xlstat.com/en/learning-center/tutorials/running-a-factor-analysis-with-xlstat.html
通过xlstat

原来EXCEL都有这一功能，太牛了！！！！！！！！

因子分析和聚类分析不应该是SPSS的么