I want to use the standard error values in the summary that is produced using coeftest, but I am getting an error code- any ideas?
> library(lmtest) > coeftest(lmodT_WBHO) t test of coefficients: Estimate Std. Error t value Pr(>|t|) t1W 5.94819 0.17072 34.8410 < 2.2e-16 *** t2W 6.56216 0.17438 37.6322 < 2.2e-16 *** t3W 6.08252 0.16525 36.8082 < 2.2e-16 *** t4W 6.18041 0.17028 36.2949 < 2.2e-16 *** t1B 5.50000 0.50566 10.8768 < 2.2e-16 *** t2B 5.65000 0.53034 10.6535 < 2.2e-16 *** t3B 4.52381 0.51756 8.7406 < 2.2e-16 *** t4B 4.38095 0.51756 8.4646 < 2.2e-16 *** t1H 5.05000 0.53034 9.5221 < 2.2e-16 *** t2H 4.77778 0.55903 8.5465 < 2.2e-16 *** t3H 5.52632 0.54412 10.1564 < 2.2e-16 *** t4H 4.71429 0.63388 7.4372 2.236e-13 *** t1O 5.17647 0.57524 8.9988 < 2.2e-16 *** t2O 5.81818 0.50566 11.5060 < 2.2e-16 *** t3O 6.50000 0.63388 10.2543 < 2.2e-16 *** t4O 5.71429 0.63388 9.0147 < 2.2e-16 *** --- Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 > se1 <- coeftest(lmodT_WBHO)$coef[,2] Error in coeftest(lmodT_WBHO)$coef : $ operator is invalid for atomic vectors > -- View this message in context: http://r.789695.n4.nabble.com/error-code-trying-to-extract-second-column-from-coeftest-output-tp4630298.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.