Transcription of Plotting rpart treeswiththe rpart.plot package
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Plotting rpart treeswiththe rpart.plot package
Plottingrparttrees with MilborrowNovember 23, 2018 Contents1 Introduction22 Quick start23 Main arguments24 Printing rules FAQ96 Customizing the node labels137 Examples using the color and palette arguments188 Branch widths279 Trimming a tree with the mouse2810 Usingplotmoin conjunction withprp2911 Compatibility The graph layout algorithm33An Exampletemp < 68ibh >= 3574dpg < 9ibt < 227temp >= 68ibh < 3574dpg >= 9ibt >= 227n=330 100%n=214 65%n=108 33%n=106 32%n=35 11%n=71 22%n=116 35%n=55 17%n=61 18% IntroductionThe functions in package plotrparttrees [6,7]. The next page shows some examples (Fig-ure1).The workhorse function isprp. It automatically scales and adjusts the displayed tree for best fit. It combinesand extends in 2 and 3 of this document (the Quick Start and the Main Arguments) are the most , which prints a tree as a set of rules. The remaining sections may beskipped or read in any assume you have already looked at the vignette included with therpartpackage [7]:An Introduction to Recursive Partitioning Using the rpart Routinesby Therneau and Quick startThe easiest way to plot a tree is to This function is a simplified front-end to the workhorsefunctionprp, with only the most useful arguments of that function.
With extra = "auto"(the default for rpart.plot), a suitable value for extrawill be chosen automatically (based on the type of response for the model). Figure 1 illustrates. The help page has details. Use digits, varlen, and faclento display more significant digits and more characters in …
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