Articles by data technik

Choropleth Map in ggplot2

December 6, 2019 | 0 Comments

Creating a map in ggplot2 can be surprisingly easy! This tutorial will show the US by state. The dataset is from 1970 and will show some US statistics including population, income, life expectancy, and illiteracy. I love making maps, while predictive statistics provide such great insight, map making was one thing ...
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Pros and Cons of Top Data Science Online Courses

August 23, 2019 | 0 Comments

There are a variety of data science courses online, but which one is the best? Find out the pros and cons of each! Coursera, EdX, etc These MOOCs have been around for several years now and continue to grow. But are they really the best option for learning online? Pros: ...
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Shapiro-Wilk Test for Normality in R

August 7, 2019 | 0 Comments

I think the Shapiro-Wilk test is a great way to see if a variable is normally distributed. This is an important assumption in creating any sort of model and also evaluating models. Let’s look at how to do this in R! And here is the output: So how do ...
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R Weekly on Github

May 5, 2019 | 0 Comments

Check out this repo from on Github: This is a great place to start with some coding fun and contribute to the community. Also hold you accountable. Here’s an excerpt to their page: R Weekly R weekly provides weekly updates from ...
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