The new iOS version of R Instructor has been released! Enjoy the new interface built for iOS7 and the major under-the-hood stability and performance enhancements! In addition to the core code being updated, I've added a section on qplots (from the ggplot2 package) and additional content to the base plot section. In the next update, I will include additional material on the ggplot2 package. Additions to base plots section: 1. Add a grid 2. Add and modify arrows - change arrow head shape - change arrow head length - change arrow color - change arrow line width - change arrow line type - change arrow head angle 3. New qplot section (requires ggplot2): How to make qplots: - Boxplot - Histogram - Density histogram - Frequency polygon - Line chart - Path plot - Scatter plot - Conditional smoother 4. Modifications described for each of the qplots: - add color, either specific color or according to a third variable - add title or change title font size - add facets - adjust line widths and point sizes - ... and a few other modifications specific to particular qplots. Shidan |
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