In this tutorial, we will learn how to visualize a company’s stock return over time. A stock’s return is defined as the capital gains/losses and income from dividend. We will use the adjusted stock price to compute the nominal return using the fantastic tidyquant R package. First, we will download the stock data of a… Continue reading Visualizing Stock Return of a Company Over Time with Barplots
Author: datavizpyr
Adding and Troubleshooting Text Annotations on a plot with ggplot2
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 trying to add annotations with ggplot2. And… Continue reading Adding and Troubleshooting Text Annotations on a plot with ggplot2
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… Continue reading Visualizing Stock Price of a Single Company Over Time
How to Color Barplots with R Color Brewer
In this tutorial we will learn to how to color bars in a barplot using R Color Brewer’s color palettes. R Color Brewer package “RColorBrewer” offers numerous color palettes that are useful in common situations. For example, it gives “Sequential” palette for ordered data, “Diverging” palette for highlighting deviations from baseline and “Qualitative” palette for… Continue reading How to Color Barplots with R Color Brewer
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 groups.Adding such convex hulls around… Continue reading How to Highlight Groups with Convex Hull in ggplot2