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Statistics Sunday: Highlighting a Subset of Data in ggplot2

August 7, 2018 |

Highlighting Specific Cases in ggplot2 Here's my belated Statistics Sunday post, using a cool technique I just learned about: gghighlight. This R package works with ggplot2 to highlight a subset of data. To demonstrate, I'll use a dataset I analyzed for a previous post about my 2017 reading habits. [Side note: ...
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Statistics Sunday: Mixed Effects Meta-Analysis

July 8, 2018 |

As promised, how to conduct mixed effects meta-analysis in R:Code used in the video is available here. And I'd recommend the following posts to provide background for this video:What is meta-analysis?Introduction to effect sizesVariance and weights in ... [Read more...]

Thanks for Reading!

June 22, 2018 |

As I've been blogging more about statistics, R, and research in general, I've been trying to increase my online presence, sharing my blog posts in groups of like-minded people. Those efforts seem to have paid off, based on my view counts over the past ...
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Working with Your Facebook Data in R

June 14, 2018 |

How to Read in and Clean Your Facebook Data - I recently learned that you can download all of your Facebook data, so I decided to check it out and bring it into R. To access your data, go to Facebook, and click on the white down arrow in the ...
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Beautiful Visualizations in R

June 12, 2018 |

I recently discovered the R Graph Gallery, where users can share the beautiful visualizations they've created using R and its various libraries (especially ggplot2). One of my favorite parts about this gallery is a section called Art From Data, in whic...
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Statistics Sunday: Creating Wordclouds

June 10, 2018 |

Cloudy with a Chance of Words Lots of fun projects in the works, so today's post will be short - a demonstration on how to create wordclouds, both with and without sentiment analysis results. While I could use song lyrics again, I decided to use a different dataset that comes ...
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Statistics Sunday: Two R Packages to Check Out

May 27, 2018 |

I'm currently out of town and not spending as much time on my computer as I have over the last couple months. (It's what happens when you're the only one in your department at work and also most of your hobbies involve a computer.) But I wanted to write up ...
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How Has Taylor Swift’s Word Choice Changed Over Time?

May 22, 2018 |

How Has Taylor Swift's Word Choice Changed Over Time?Sunday night was a big night for Taylor Swift - not only was she nominated for multiple Billboard Music Awards; she took home Top Female Artist and Top Selling Album. So I thought it was a good time for some more ...
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What Makes a Song (More) Popular

May 18, 2018 |

Earlier this week, the Association for Psychological Science sent out a press release about a study examining what makes a song popular:Researchers Jonah Berger of the University of Pennsylvania and Grant Packard of Wilfrid Laurier University were interested in understanding the relationship between similarity and success. In a recent ...
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Statistics Sunday: Tokenizing Text

May 6, 2018 |

Statistics Sunday: Tokenizing TextI recently started working my way through Text Mining with R: A Tidy Approach by Julia Silge and David Robinson. There are many interesting ways text analysis can be used, not only for research interests but for marketing and business insights. Today, I'd like to introduce one ...
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Statistical Sins: Is Your Classification Model Any Good?

May 2, 2018 |

Prediction with Binomial RegressionApril A to Z is complete! We now return to your regularly scheduled statistics blog posts! Today, I want to talk about an issue I touched on during A to Z: using regression to predict values and see how well your model is doing.Specifically, I talked ...
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Z is for Z-Scores and Standardizing

April 30, 2018 |

Z is for Z-Scores and StandardizingLast April, I wrapped up the A to Z of Statistics with a post about Z-scores. It seems only fitting that I'm wrapping this April A to Z with the same topic. Z-scores are frequently used, sometimes when you don't even realize it. When you ...
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Statistics Sunday: Conducting Meta-Analysis in R

April 29, 2018 |

Here it is, everyone! The promised 4th post on meta-analysis, and my second video for Deeply Trivial! In this video, I walk through conducting a basic meta-analysis, both fixed and random effects, in the metafor package:See these previous posts and lin... [Read more...]
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