Johan Bollen, Marko A. Rodriguez, and Herbert Van de Sompel "Journal Status" arXiv:cs.GL/0601030 v1 9 Jan 2006

[Loet Leydesdorff]

Dear colleagues:

This is for the SCI 2004 (5967 journals):





Total Variance Explained



Component

Rotation Sums of Squared Loadings


Total

% of Variance

Cumulative %


1

2.450

40.833

40.833


2

2.335

38.921

79.754

Extraction Method: Principal Component Analysis.

Thus, the two factors are approximately equal, but orthogonal!

With best wishes,

Loet

________________________________
Loet Leydesdorff
Amsterdam School of Communications Research (ASCoR),
Kloveniersburgwal 48, 1012 CX Amsterdam.
Tel.: +31-20- 525 6598; fax: +31-20- 525 3681;
loet at leydesdorff.net ; http://www.leydesdorff.net/



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