YouTip

# R legend() Function - Add Legend [ R Language Examples](https://example.com/r/r-examples.html) The R legend() function is used to add legends to plots, helping readers identify different data series. When a plot contains multiple groups of data, legends are essential elements. The syntax of the legend() function is as follows: legend(x, y = NULL, legend, col, pch, lty, lwd, fill, title = NULL) **Parameter Description:** * **x, y** Legend position: keywords such as "topright", "bottomleft", or coordinates. * **legend** Legend text labels. * **