One of the the questions that I get over and over is, which data science language do I use? I have my own preferences with regards to programming languages, but there’s not always a clear answer. In fact, my standard answer is “it depends.” You see, different languages are good for different things. But what … Read more
This tutorial will show you how to use the geom_smooth function in R. It explains what geom_smooth does, explains the syntax, and shows step-by-step examples of how to use this function. If you need something specific, you can click on any of the following links. These links will take you directly to the appropriate place … Read more
Probably the most common question I get from new data science students is, “Which language should I learn … R or Python?” This is a somewhat complex question to answer, because it depends on who you are and what your goals are. Having said that, I do have a preference for first time data scientists. … Read more
This tutorial will explain how to create a scatter plot in R with ggplot2. It will explain the syntax for a ggplot scatterplot, and will also show you step-by-step examples. If you need something specific, you can click on any of the following links … Table of Contents: A Quick Review of Scatterplots Syntax Examples … Read more
This tutorial will show you how to make a histogram in R with ggplot2. It’ll explain the syntax of the ggplot histogram, and show step-by-step examples of how to create histograms in ggplot2. If you need something specific, just click on any of the following links. Table of Contents: Introduction to Histograms Syntax Examples As … Read more
This tutorial will show you how to create a barplot in R with geom_bar (i.e., a ggplot barplot). I’ll explain the syntax, and also show you several step-by-step examples. Table of Contents: Introduction to Barplots Syntax Examples Let’s get into it. A Quick Introduction to Barplots Let’s quickly do a review of barplots and barplots … Read more
This tutorial will explain how to create a ggplot boxplot. It explains the syntax, and shows clear, step-by-step examples of how to create a boxplot in R using ggplot2. If you need something specific, you can click on any of the following links, and it will take you to the appropriate section in the tutorial: … Read more
Last week in Mapping Texas Ports with R [part 1], we created a simple map of Texas ports with R, ggplot2, and geom_sf. That map was really just a “rough draft.” It’s not terrible, but it didn’t look great either. This week, we’re going to take that map and polish it up a little bit. … Read more
One of the most common questions I get from data science students is “should I learn R or Python?” In the last year or so, many of the blog posts at the Sharp Sight blog have been Python data science tutorials, and I’ve actually been using Python a lot myself. But recently, since I began … Read more
In this blog post, we’ll create a data visualization to analyze covid19 data and visualize successful vs. unsuccessful countries. You’ll see exactly what I mean by that in a minute. Our covid19 analysis series: a quick review This tutorial is actually part of a series of tutorials that show how to analyze data with R. … Read more