Greetings,
Cohen, Cohen, West, and Aiken 2003 (Applied Multiple Regression-Correlation
Analysis for the Behavioral Sciences, Third Edition) on page 273 state the
covariance matrix of the regression coefficients is provided by standard
programs for multiple regression, including SAS, SPSS, and SYSTAT. How can
it be calculated with R. Thank you very much.
pbm
Peter B. Mandeville
cel: 444 860 3204
tel: 52 444 826 2346-49 ext 532
fax: 52 444 826 2350
P.D. Favor de confirmar la llegada de este correo. Gracias.
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