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5 Απρ 2013 · I want to plot two functions in different colors and point styles with a corresponding legend, in plain R. I have several questions: I am using pch=21 and pch=22. My understanding is that they are "filled" symbols.
A legend of a plot helps to understand which series or groups corresponds to each bar, line, box or observations, based on its type, color or both. In this tutorial you will learn how to add a legend to a plot in base R and how to customize it.
What I want is that the points are shown as points and the two lines ("Regression" and "Trendline") are shown as lines. I tried to use guides (colour = guide_legend (override.aes = list(size = 1.5)))
Add Legend to Plot in Base R (8 Examples) In this article, I’ll show how to add a legend to a plot using the legend() function in the R programming language. Table of contents:
This function can be used to add legends to plots. Note that a call to the function locator (1) can be used in place of the x and y arguments. Usage. legend(x, y = NULL, legend, fill = NULL, col = par("col"), border = "black", lty, lwd, pch, angle = 45, density = NULL, bty = "o", bg = par("bg"),
To add legends to plots in R, the R legend () function can be used. A simplified format of the function is : legend(x, y=NULL, legend, fill, col, bg) x and y : the x and y co-ordinates to be used to position the legend. legend : the text of the legend. fill : colors to use for filling the boxes beside the legend text.
Add and customize the legends in ggplot2. Learn how to change the title, the labels, the keys, how to modify the background color, change its position or get rid of it
