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Lines graph, also known as line charts or line plots, display ordered data points connected with straight segments. In this tutorial you will learn how to plot line graphs in base R using the plot, lines, matplot, matlines and curve functions and how to modify the style of the resulting plots.
If we want to draw a basic line plot in R, we can use the plot function with the specification type = “l”. Have a look at the following R code: plot (x, y1, type = "l") # Basic line plot in R. Figure 1: Basic Line Plot in R. Figure 1 visualizes the output of the previous R syntax: A line chart with a single black line.
Here, we’ll describe how to create line plots in R. The function plot() or lines() can be used to create a line plot.
This R tutorial describes how to create line plots using R software and ggplot2 package. In a line graph, observations are ordered by x value and connected. The functions geom_line() , geom_step() , or geom_path() can be used.
ggplot2 allows to draw line charts thanks to the geom_line() function. It expects as input a data frame with 2 numeric variables, one displayed on each axis. Start your journey with the most basic line chart. Basic customization to improve the line chart: size, color, type, theme, title and more.
Basic line chart with ggplot2 and geom_line() A line chart or line graph displays the evolution of one or several numeric variables. Data points are usually connected by straight line segments.
There are many different ways to use R to plot line graphs, but the one I prefer is the ggplot geom_line function. Introduction to ggplot. Before we dig into creating line graphs with the ggplot geom_line function, I want to briefly touch on ggplot and why I think it’s the best choice for plotting graphs in R.
