Usage Note 33323: Producing Bartlett's test of sphericity
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You can obtain Bartlett's test of sphericity by specifying the options METHOD=ML and HEYWOOD in the PROC FACTOR statement. For example:
proc factor method=ml heywood;
An excerpt from sample output appears below. The row H0: No common factors contains the degrees of freedom, chi-square statistic, and p-value corresponding to Bartlett's test of sphericity. The small p-value (p<0.0001) rejecting the null hypothesis of sphericity suggests that the data are appropriate for factor analysis.
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For more information, see the following reference:
David W. Stewart, "The Application and Misapplication of Factor Analysis in Marketing Research" Journal of Marketing Research Vol. XVIII (February 1981), 51-62.
Operating System and Release Information
| Product Family | Product | System | SAS Release | |
| Reported | Fixed* | |||
| SAS System | SAS/STAT | z/OS | ||
| OpenVMS VAX | ||||
| Microsoft® Windows® for 64-Bit Itanium-based Systems | ||||
| Microsoft Windows Server 2003 Datacenter 64-bit Edition | ||||
| Microsoft Windows Server 2003 Enterprise 64-bit Edition | ||||
| Microsoft Windows XP 64-bit Edition | ||||
| Microsoft® Windows® for x64 | ||||
| OS/2 | ||||
| Microsoft Windows 95/98 | ||||
| Microsoft Windows 2000 Advanced Server | ||||
| Microsoft Windows 2000 Datacenter Server | ||||
| Microsoft Windows 2000 Server | ||||
| Microsoft Windows 2000 Professional | ||||
| Microsoft Windows NT Workstation | ||||
| Microsoft Windows Server 2003 Datacenter Edition | ||||
| Microsoft Windows Server 2003 Enterprise Edition | ||||
| Microsoft Windows Server 2003 Standard Edition | ||||
| Microsoft Windows XP Professional | ||||
| Windows Millennium Edition (Me) | ||||
| Windows Vista | ||||
| 64-bit Enabled AIX | ||||
| 64-bit Enabled HP-UX | ||||
| 64-bit Enabled Solaris | ||||
| ABI+ for Intel Architecture | ||||
| AIX | ||||
| HP-UX | ||||
| HP-UX IPF | ||||
| IRIX | ||||
| Linux | ||||
| Linux for x64 | ||||
| Linux on Itanium | ||||
| OpenVMS Alpha | ||||
| OpenVMS on HP Integrity | ||||
| Solaris | ||||
| Solaris for x64 | ||||
| Tru64 UNIX | ||||
Obtaining Bartlett's test of sphericity in a factor analysis.
| Type: | Usage Note |
| Priority: | |
| Topic: | Analytics ==> Multivariate Analysis SAS Reference ==> Procedures ==> FACTOR |
| Date Modified: | 2018-04-20 09:48:12 |
| Date Created: | 2008-09-17 10:10:29 |