This tutorial will show you how to use the case_when function in R to implement conditional logic like if/else and if/elif/else. It explains the syntax, and also shows clear examples in the examples section. You can click on any of the links below, and it will take you to the appropriate section in the tutorial. … Read more
There’s sort of an open secret in the data science world: As a data professional, you’ll spend a huge amount of time doing data preparation. Cleaning, joining, reshaping, aggregating … These tasks make up a huge amount of your data work. Many data professionals say as much as 80%. You Need to Master Data Manipulation … Read more
One of the most common questions I get from data science students is which programming language should I learn for data science, R or Python? The short answer is “it depends.” Both R and Python have strengths and weaknesses as data science languages, or as broader programming languages. So here in this blog post, I … 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
In the last few months since covid-19 has struck, everyone is suddenly talking about supply chains. Just a few months ago, this was sort of a “boring” topic, only discussed by import specialists and corporate operations managers. But now, here we are, wondering where our toilet paper is going to come from. I’m being a … 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
Ok … welcome back to this covid19 data analysis series with R. In this series, we’re analyzing covid19 data with the R programming language. So far in this series, we’ve done several things: We retrieved a simple covid19 csv file in part 1 In part 2, we created a process to retrieve several related covid19 … Read more
Welcome back. Hopefully you’ve been following along with our R data analysis series. This tutorial is part of a series of tutorials analyzing covid-19 data with R. So far in this series, we’ve used R to retrieve a simple covid19 dataset. Later, we used R to create a repeatable process for data retrieval and cleaning. … Read more
This tutorial is part of a series of R tutorials analyzing covid-19 data. For parts 1 and 2, see the following posts: https://sharpsight.ai/blog/r-data-analysis-covid-19-part1-data-wrangling/ https://sharpsight.ai/blog/r-data-analysis-covid-19-part-2-merge-datasets/ Covid19 analysis, part 3: initial data exploration So far in our R data analysis series, we’ve spent some time getting and wrangling our data. In part1, we retrieved a single covid19 … Read more