Visualization of data is easy to do in R. Graphs can be built layer by layer with as much detail as necessary using a variety of plot types, some which are not available in Excel. Once you have created your graphs and made them look professional, it is particularly convenient to be able to save the scripts and reproduce them with new data sets. The last of our data series will again use the OSU weather data to show how easy it is to make terrific looking visualizations in R.