Mar 26, 2015 · The key point here is to use the data= in the call to geom_line. Assuming that the data= is not required has happened to some of us, and often is the reason it doesn't work.

This tutorial describes how to add one or more straight lines to a graph generated using R software and ggplot2 package. The R functions below can be used : geom_hline () for …

Feb 24, 2019 · I have created a plot using ggplot and geom_line and would like to have the individual data values (numbers) displayed on the plot. This is my code so far: ggplot …

Jun 29, 2011 · For my convenience, I want to write a function that adds a line plot and a scatter plot to an already existing plot. I defined: addlinetoplot <- function (dataset, varx, vary) { p &...

Jul 2, 2024 · Combining multiple plots and adding lines connecting points from one plot to another can be a powerful way to link related data visually. This article explains how to accomplish this …

Oct 25, 2022 · You can use the following basic syntax to connect points with lines in a plot in ggplot2: library(ggplot2) ggplot(df, aes(x=x_var, y=y_var)) + geom_line() + geom_point() The …

These geoms add reference lines (sometimes called rules) to a plot, either horizontal, vertical, or diagonal (specified by slope and intercept). These are useful for annotating plots.

Jan 16, 2020 · Adding a vertical line on mean or median value of a distribution to its density plot can make understanding the plot easier. In this post, we will first see a simple example of …

Feb 21, 2023 · This tutorial explains how to use geom_abline () to add straight lines to plots created using ggplot2 in R, including examples.

Statistic stat_poly_eq() in my package ggpmisc makes it possible to add text labels to plots based on a linear model fit. (Statistics stat_ma_eq() and stat_quant_eq() work similarly and support …