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 ...

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 ...

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 ...

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 ...