You can quickly add vertical lines to ggplot2 plots using the geom_vline () function, which uses the following syntax: xintercept: Location to add line on the x-intercept. This can be one value or multiple values. linetype: Line style. Default is ‘solid’ but you can specify ‘twodash’, ‘longdash’, ‘dotted’, ‘dotdash
The goal of this article is to describe how to change the color of a graph generated using R software and ggplot2 package. A color can be specified either by name (e.g.: “red”) or by hexadecimal code (e.g. : “#FF1234”). The different color systems available in R are described at this link : colors in R. In this R tutorial, you willBackground Colors in ggplot. To create a manual theme for users’ liking, we can change the background color of the panel as well as plot using the panel.background and plot.background argument of the theme function of the ggplot2 package. Syntax: plot + theme (plot.background = element_rect ( fill ) , panel.background = element_rect ( fill ) )
For including the axis labels in the tiles, you'd have to expand the axis (since it is categorical, again by specifying additional factors), think this - but then you'd be better off just using Rmarkdown or HTML or so Ideally, the graph should look aesthetically pleasing (hence the use of ggplot2!) yet similar in form to the line graphs shown below. I don't understand how to plot multiple lines onto a single graph using the gggplot2 library. My current knowledge of / skill with the ggplot2 library is low but I have included my fledgling efforts below. See ../Colors (ggplot2) for more information on colors. Bar graphs of counts. In these examples, the height of the bar will represent the count of cases. This is done by using stat="bin" (which is the default). We’ll start with the tips data from the reshape2 package: Once you've added the necessary layers, you can view your plot by simply running the code in R or RStudio. # Run the plot code to view the scatter plot plot