# Articles by tylerrinker

### ggplot2: How Geoms & Aesthetics ≈ Whipped Cream

March 21, 2018 |

In this post I have a few goals: 1. Become (re-)familiar with available geoms 2. Become (re-)familiar with aesthetic mappings in geoms (stroke who knew?) 3. Answer these questions: How often do various geoms appear and how often do they … Continue reading →

### Math Notation for R Plot Titles: expression and bquote

March 15, 2018 |

In this post you will learn: How to create expressions that have mixed (1) strings, (2) expressions, & (3) numbers How to pass in values as variables to an expression I wanted to name this post “Ahhhhhhhhhhh #[email protected]%&!!!!” but SEO isn’t … Continue reading →

### Using R to Reason & Test Theory: A Case Study from the Field of Reading Education

February 27, 2018 |

This past week I was preparing slides for a reading assessment class with a lecture focus on the Visual Word Form Area [VWFA] (Cohen, et al., 2000). This is an area of the brain that is hypothesized to be able … Continue reading →

February 21, 2018 |

About a year and a half back I was working in Python a bit and became accustomed to the explicit importing of modules (akin to R packages) and functions. Python imports packages like this: import tidyr import dplyr as dp … Continue reading → [Read more...]

### Easily Make Multi-tabbed .xlsx Files with openxlsx

February 14, 2018 |

This is a quick script showing how to make multi-tabbed .xlsx files. I recently had the need to do this and used the flexible openxlsx package maintained by : Alexander Walker. The package is described by the author like this: … Continue reading → [Read more...]

### Ordering Categories within ggplot2 Facets (followup)

December 22, 2016 |

I saw Simon Jackson’s recent blog post regarding ordering categories within facets. He proposed a way of dealing with the problem of ordering variables shared across facets within facets. This problem becomes apparent in text analysis where words are shared … Continue reading →

May 11, 2016 |

Steve Simpson (@data_steve) created the googleformr package to enable users to easily send information to a Google Form.  It’s a nice way to send and securely store data via R and the price is great…FREE! A Pneumatic Road Tube Allegory…Kinda … Continue reading →

### pacman Ver 0.4.1 Release

March 30, 2016 |

It was just over a year ago that Dason Kurkiewicz and I released pacman to CRAN.  We have been developing the package on GitHub in the past 14 months and are pleased to announce these changes have made their way … Continue reading →

### How do I re-arrange??: Ordering a plot re-revisited

March 2, 2016 |

Several years back I wrote a two part blog series in response to seeing questions about plotting and reordering on list serves, talkstats.com, and stackoverflow.  Part I discussed the basics of reordering plots by reordering factor levels.  The essential gist was: … Continue reading →

### Cracking Safe Cracker with R

May 30, 2015 |

My wife got me a Safe Cracker 40 puzzle a while back. I believe I misplaced the solution some time back. The company, Creative Crafthouse, stands behind their products. They had amazing customer service and promptly supplied me with a … Continue reading →

### Wakefield: Random Data Set (Part II)

April 29, 2015 |

This post is part II of a series detailing the GitHub package, wakefield, for generating random data sets. The First Post (part I) was a test run to gauge user interest. I received positive feedback and some ideas for improvements, … Continue reading →

### Random Data Sets Quickly

April 24, 2015 |

This post will discuss a recent GitHub package I’m working on, wakefield to generate random data sets. The post is broken into the following sections: Demo 1.1 Random Variable Functions 1.2 Random Data Frames 1.3 Missing Values 1.4 Default Data … Continue reading →

### pacman 0.2.0: Initial CRAN Release

February 16, 2015 |

We’re please to announce the first CRAN release of pacman v. 0.2.0. pacman is the combined work of Dason Kurkiewicz & Tyler Rinker. pacman is an R package management tool that combines the functionality of base library related functions into intuitively … Continue reading →

February 10, 2015 |

This post will allow you to impress your boss with you’re strong work ethic by enabling Windows R users to schedule late night tasks.  Picture it, your boss gets an email at 1:30 in the morning with the latest company … Continue reading →

### Visualizing APA 6 Citations: qdapRegex 0.2.0 & qdapTools 1.1.0

December 24, 2014 |

qdapRegex 0.2.0 & qdapTools 1.1.0 have been released to CRAN.  This post will provide some of the packages’ updates/features and provide an integrate demonstration of extracting and viewing in-text APA 6 style citations from an MS Word (.docx) document. qdapRegex … Continue reading →

### GTrendsR package to Explore Google trending for Field Dependent Terms

November 24, 2014 |

My friend, Steve Simpson, introduced me to Philippe Massicotte and Dirk Eddelbuettel’s GTrendsR GitHub package this week. It’s a pretty nifty wrapper to the Google Trends API that enables one to search phrase trends over time. The trend indices that … Continue reading → [Read more...]

### rmarkdown: Alter Action Depending on Document

November 18, 2014 |

Can I see a show of hands for those who love rmarkdown? Yeah me too. One nifty feature is the ability to specify various document prettifications in the YAML of a .Rmd document and then use: The Problem Have you … Continue reading →

### Exploration of Letter Make Up of English Words

October 31, 2014 |

This blog post will do a quick exploration of the grapheme make up of words in the English. Specifically we will use R and the qdap package to answer 3 questions: What is the distribution of word lengths (number of … Continue reading → [Read more...]

### Canned Regular Expressions: qdapRegex 0.1.2 on CRAN

September 27, 2014 |

We’re pleased to announce first CRAN release of qdapRegex! You can read about qdapRegex or skip right to the examples. qdapRegex is a collection of regular expression tools associated with the qdap package that may be useful outside of the context … Continue reading → [Read more...]

### Spell Checker for R…qdap::check_spelling

September 4, 2014 |

I often have had requests for a spell checker for R character vectors. The utils::aspell function can be used to check spelling but many Windows users have reported difficulty with the function. I came across an article on spelling in … Continue reading → [Read more...]
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