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[ODP] The international general socioeconomic factor: Factor analyzing international

#45
Concerning rotation in PC/FA, I have always considered Promax to be the best, see here, although Oblimin should produce similar results.

Also, if you want a test (requested by Dalliard) for knowing which number of factors to retain in EFA, you should better avoid eigenvalue>1 and scree plot. You should better use Parallel analysis. It's a Monte Carlo simulation technique which evaluates what minimum eigenvalues are needed to reject the null hypothesis by subjecting a data set of random numbers to analysis (repeated many times, e.g., 1000 replications) when the data is adjusted for sample size and the number of variables.

See below for why you should prefer this one :

http://pareonline.net/pdf/v12n2.pdf
Determining the Number of Factors to Retain in EFA: an easy-to-use computer program for carrying out Parallel Analysis

In R, it's nFactors package you need.
http://cran.r-project.org/web/packages/n...actors.pdf
http://www.statmethods.net/advstats/factor.html

It should also give you a plot that helps you to determine the n factors to be retained.
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Messages In This Thread
[ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Jul-20, 13:17:51
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Jul-20, 16:55:01
Reply to Duxide - by Emil - 2014-Jul-20, 17:27:26
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Jul-20, 18:33:29
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Jul-21, 01:00:07
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Jul-21, 10:38:03
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Jul-21, 18:12:13
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Jul-21, 18:36:51
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Jul-22, 00:07:40
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Jul-22, 09:12:52
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Jul-22, 14:06:08
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Jul-22, 15:53:00
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Jul-22, 15:55:32
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Jul-22, 16:02:43
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Jul-22, 16:12:58
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Jul-22, 18:08:44
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Jul-22, 18:13:10
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Jul-22, 19:02:49
Another draft - by Emil - 2014-Jul-23, 22:38:30
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Jul-23, 22:54:08
RE: [ODP] The international general socioeconomic factor - by Meng Hu - 2014-Jul-25, 22:28:31
Response to Meng Hu - by Emil - 2014-Jul-26, 17:14:16
RE: [ODP] The international general socioeconomic factor - by Meng Hu - 2014-Jul-30, 21:07:43
RE: [ODP] The international general socioeconomic factor: Factor analyzing - by Dalliard - 2014-Aug-01, 17:20:07
RE: [ODP] The international general socioeconomic factor - by Meng Hu - 2014-Aug-01, 23:32:03
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Jul-28, 16:34:59
RE: [ODP] The international general socioeconomic factor: Factor analyzing - by Dalliard - 2014-Jul-28, 19:16:48
Reply to Dalliard - by Emil - 2014-Jul-29, 01:24:01
R file - by Emil - 2014-Jul-29, 01:25:14
RE: [ODP] The international general socioeconomic factor: Factor analyzing - by Dalliard - 2014-Jul-30, 19:35:22
Reply to Dailiard #2 - by Emil - 2014-Aug-03, 15:51:45
Post title limits - by Emil - 2014-Jul-30, 21:20:01
Quick note about nfactors - by Emil - 2014-Jul-31, 20:25:10
Correlated factors - by Emil - 2014-Aug-01, 18:37:50
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Aug-03, 18:52:45
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Aug-06, 01:45:44
RE: [ODP] The international general socioeconomic factor - by Dalliard - 2014-Aug-06, 22:50:06
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Aug-07, 00:57:56
Reversing - by Emil - 2014-Aug-09, 17:17:57
New draft - by Emil - 2014-Aug-09, 19:21:48
Fix to the intercorrelation error - by Emil - 2014-Aug-11, 06:50:19
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Aug-11, 09:45:02
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Aug-11, 19:12:21
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Aug-11, 20:27:02
RE: [ODP] The international general socioeconomic factor - by Meng Hu - 2014-Aug-12, 03:23:36
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Aug-12, 04:04:33
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Meng Hu - 2014-Aug-12, 04:33:00
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Aug-12, 05:07:11
Promax - by Emil - 2014-Aug-12, 05:52:53
Schmid Leiman and manually 3 stratum - by Emil - 2014-Aug-13, 07:02:24
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Dalliard - 2014-Aug-16, 20:13:36
New draft, 17th aug. - by Emil - 2014-Aug-17, 23:06:06
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Duxide - 2014-Aug-19, 19:27:20
RE: [ODP] The international general socioeconomic factor - by Meng Hu - 2014-Aug-26, 03:20:37
Response to MH, #54 - by Emil - 2014-Aug-26, 04:33:22
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Meng Hu - 2014-Aug-26, 22:38:19
Reply to MH #56 - by Emil - 2014-Aug-27, 01:06:14
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Meng Hu - 2014-Aug-27, 01:44:34
New version - by Emil - 2014-Aug-27, 19:02:10
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Meng Hu - 2014-Aug-27, 19:58:29
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Aug-27, 20:20:23
RE: [ODP] The international general socioeconomic factor - by Dalliard - 2014-Aug-29, 16:57:41
Reply to Dalliard, #62 - by Emil - 2014-Aug-30, 18:47:10
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Chuck - 2014-Sep-03, 05:04:42
Reply to Chuck - by Emil - 2014-Sep-03, 12:49:10
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Chuck - 2014-Sep-03, 19:45:50
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Sep-05, 00:10:45
Candidate release - by Emil - 2014-Sep-08, 17:19:42
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Chuck - 2014-Sep-08, 19:25:34
Copyright - by Emil - 2014-Sep-08, 21:31:06
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Sep-08, 21:37:56
RE: [ODP] The international general socioeconomic factor: Factor analyzing international - by Emil - 2014-Sep-10, 22:33:12
 
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