[R] error code trying to extract second column from coeftest output

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 5.948190.17072 34.8410 < 2.2e-16 *** t2W 6.5

[R] vector w/o arithmetic addition for boxplot

Hello, I am having trouble asking R to read individual numeric vectors for a box plot of the residuals of a linear regression. It is performing arithmetic addition on the 16 individual variables that I want individual box plots for. I have 16 race*treatment variables that were created from clea