Adding text annotations to a plot can greatly help understanding a plot better. In this tutorial, we will learn couple of examples of adding text annotations to a scatter plot with three groups of samples. First we see couple of examples of what might typically go wrong while … [Read more...] about Adding and Troubleshooting Text Annotations on a plot with ggplot2
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Visualizing Stock Price of a Single Company Over Time
In this tutorial, we will learn how to visualize a company's stock price over time. Stock data is an example of time series data, where we have stock price of a company for a period of time. First, we will learn how to get stock price for a company of interest and use ggplot2 to … [Read more...] about Visualizing Stock Price of a Single Company Over Time
How to Highlight Groups with Convex Hull in ggplot2
In this tutorial, we will learn how to annotate or add colors to multiple groups in a scatter plot made with ggplot2 in R using convex hull shapes. Convex hull is basically a box or polygon connecting the outermost data points for each group in a scatter plot with multiple … [Read more...] about How to Highlight Groups with Convex Hull in ggplot2
Side by side plots with ggplot2 using gridExtra
In this tutorial, we will learn how to place two plots made with ggplot2 side by side. In R, we have multiple solutions to combine plots into a single plot. Here, we will use R Package gridExtra's function grid.arrange to combine two plots side by side. Firs, let us load the … [Read more...] about Side by side plots with ggplot2 using gridExtra
How to Make Axis Title Bold Font with ggplot2
In this tutorial, we will learn how to change the axis title bold font with ggplot2 in R. Let us load the packages needed including tidyverse and palmerpenguins for penguins data. A plot with default font for axis title text Let us make a simple scatter plot using … [Read more...] about How to Make Axis Title Bold Font with ggplot2