The function geom_boxplot() is used. De whiskers eindigen in een waargenomen waarde. ggplot2.boxplot function is from easyGgplot2 R package. So the upper whisker is located at the *smaller* of the maximum x value and Q_3 + 1.5 IQR, A box plot is a good way to get an overall picture of the data set in a compact manner. The R ggplot2 boxplot is useful for graphically visualizing the numeric data group by specific data.

When I run that code, the boxplots do have whiskers (as expected, since whiskers are created by default for geom_boxplot()): image 1999×1999 47.4 KB Just to be clear, by “whiskers” I mean the lines extending from the top and bottom of the boxes. ggplot2.boxplot is a function, to plot easily a box plot (also known as a box and whisker plot) with R statistical software using ggplot2 package. Let us see how to Create an R ggplot2 boxplot, Format the colors, changing labels, drawing horizontal boxplots, and plot multiple boxplots using R ggplot2 with an example. Er zijn echter alternatieve implementaties van dit laatste detail van een boxplot. The boxplot compactly displays the distribution of a continuous variable. This R tutorial describes how to create a box plot using R software and ggplot2 package.. But the ends of the whiskers can represent several possible alternative values…” In R’s default boxplot{graphics} code, upper whisker = min(max(x), Q_3 + 1.5 * IQR) lower whisker = max(min(x), Q_1 – 1.5 * IQR) where IQR = Q_3 – Q_1, the box length. The box-whisker plot (or a boxplot) is a quick and easy way to visualize complex data where you have multiple samples. It visualises five summary statistics (the median, two hinges and two whiskers), and all "outlying" points individually. It can also be used to customize quickly the plot parameters including main title, axis labels, legend, background and colors. A simplified format is : geom_boxplot(outlier.colour="black", outlier.shape=16, outlier.size=2, notch=FALSE) outlier.colour, outlier.shape, outlier.size: The color, the shape and the size for outlying points; notch: logical value. R Box-whisker Plot – ggplot2. Introduction. Create a Box-Whisker Plot. Een afstand van drie keer de boxbreedte (= 3xIKA) vanaf de box is de grens tussen zwakke en extreme uitschieters.