How to Make a Histogram with ggplot2 Now we can create the histogram. Regardless of the type of graph we are creating in ggplot2, we always start with the ggplot() function, which creates a canvas to add plot elements to. It takes two parameters. The first argument is a data frame....
In ourprevious postyou learned how to make histograms with thehist()function. You can also make a histogram withggplot2, “a plotting system for R, based on the grammar of graphics”. This post will focus on making a Histogram With ggplot2. Want to learn more?Discover the DataCamp tutoria...
How to Create Histogram With ggplot in R Jinku HuFeb 02, 2024 RR Plot This article will demonstrate how to create a histogram withggplotin R. A simple histogram is constructed using thegeom_histogramfunction, and it only needs one variable to draw the graph. In this case, we use thediamo...
Usingggplot2, 2 main functions are available for that kind of annotation: geom_textto add a simple piece of text geom_labelto add a label: framed text Note that theannotate()function is a good alternative that can reduces the code length for simple cases. ...
base R programming language with no additional packages. This approach is especially useful when additional packages cannot be used or when you are looking for quick exploratory analyses. In other cases, you might consider usingggplot2, as covered in ourHow to Make a ggplot2 Histogram in R...
To add a regression line on a scatter plot, the function geom_smooth() is used in combination with the argument method = lm. lm stands for linear model. p <- ggplot(cars, aes(speed, dist)) + geom_point() # Add regression line p + geom_smooth(method = lm) # loess method: local...
Now let’s look closer at the histogram to see how this works in practice. Histogram deconstructed For preservation, I’ve also included the data file in the download of this tutorial.For a working example, we’ll look to the classic one: the height of a group of people. More specificall...
Example 1: Adding Median & Mean to Histogram Using Base R hist(iris$Sepal.Width)# Histogram with median lineabline(v=median(iris$Sepal.Width)) hist(iris$Sepal.Width)# Histogram with mean lineabline(v=mean(iris$Sepal.Width)) Example 2: Adding Median & Mean to Histogram Using ggplot2 Packa...
Let’s see a few examples: Arranging Multiple Plots in Rows – 2 in 1 #Arranging Multiple Plots in Rows - 2 in 1 plot_grid(plot_histogram_PL, plot_histogram_SL, labels = c('Fig A','Fig B'), label_x = 0.2, nrow = 2) Gives this plot: A cowplot plot with ggplot – 3 in...
The outliers are the dots to the left and right. A box plot can show so much information in a single figure! Remove ads Histograms Histograms are particularly useful when there are a large number of unique values in a dataset. The histogram divides the values from a sorted dataset into int...