Notice that R functions can use both named parameters (as for header and sep) and positional parameters (AgeIncome.txt for the file parameter). The read.table function has a huge number of optional ...

By using the regression function `svyglm()` in R, we can conduct a regression analysis that includes party differences in the same model as race. Using `svyglm()` from the survey package (rather than ...

The xlim and ylim functions specify explicit limits on the axes ranges. Without using xlim and ylim, R would guess at intelligent limit values. The mysterious looking xaxs="i" and yaxs="i" parameters ...

10.3.1 Scatterplot matrix. Recall that we use SAS’s scatterplot matrix feature to quickly scan for pairs of explanatory variables that might be colinear. To do this in R we must first make sure we ...

What resources are available to help me Bayesian methods in R? Before you show up: The main focus of this short course will be the Bayesian aspect of it. That means this is a slightly more advanced ...