1462 search results for "how to import image file to R"

Song Lyrics Across the United States

September 25, 2016
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Song Lyrics Across the United States

The inspiration for this post is a joint venture by both me and my husband, and its genesis lies more than 15 years in our past. One of the recurring conversations we have in our relationship (all long-term relationships have these, right?!) is about song lyrics and place names. I think the first time we ever had this conversation...

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Surveillance Out of the Box – The #Zombie Experiment

September 24, 2016
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Surveillance Out of the Box – The #Zombie Experiment

Abstract We perform a social experiment to investigate, if zombie related twitter posts can used as a reliable indicator for an early warning system. We show how such a system can be set up almost out-of-the-box using R - a free software environment for statistical computing and graphics. Warning: This blog entry contains toxic doses of Danish irony and sarcasm...

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R Markdown: How to number and reference tables

September 22, 2016
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R Markdown: How to number and reference tables

R Markdown is a great tool to make research results reproducible. However, in scientific research papers or reports, tables and figures usually need to be numbered and referenced. Unfortunately, R Markdown has no “native” method to number and reference table and figure captions. The recently published bookdown package makes it very easy to number and Related Post

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Multiple Regression (sans interactions) : A case study.

September 16, 2016
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Multiple Regression (sans interactions) : A case study.

Dataset: state.x77 – Standard built-in dataset with 50 rows and 8 columns giving the following statistics in the respective columns. Population: population estimate as of July 1, 1975 Income: per capita income (1974) Illiteracy: illiteracy (1970, percent of population) Life Exp: life expectancy in years (1969–71) Murder: murder and non-negligent manslaughter rate per 100,000 population (1976) HS Grad: percent high-school graduates (1970) Frost: mean…

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How to add pbapply to R packages

September 16, 2016
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How to add pbapply to R packages

As of today, there are 20 R packages that reverse depend/import/suggest (3/14/3) the pbapply package. Current and future package developers who decide to incorporate the progress bar using pbapply might want to customize the type and style of the progress bar in their packages to better suit the needs of certain functions or to create a distinctive look. Here is a quick guide to help...

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Collapsing a bipartite co-occurrence network

September 15, 2016
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Collapsing a bipartite co-occurrence network

This note is a follow-up to the previous one. It shows how to use student-submitted keywords to find clusters of shared interests between the students. Dear students If you enjoyed my previous note, this one might also entertain you. And since your real first names are used in the data, you should be able to tell me later if...

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Why you need version control

September 15, 2016
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I recently had an email exchange with a seasoned, well respected analytical professional which included the following (from them, not me): “… my versioning is to have multiple versions of files and to use naming conventions… it works really well....

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Creating an animation using R

September 12, 2016
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Creating an animation using R

In this post, I will show you how to create an animation using R and ffmpeg. The idea to do so is pretty simple: Generate a number of snapshots Combine them in a video file using ffmpeg The best way to learn about the art of animation is by doing it ourselves, so our work Related Post

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Shiny 0.14

September 12, 2016
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Shiny 0.14

A new Shiny release is upon us! There are many new exciting features, bug fixes, and library updates. We’ll just highlight the most important changes here, but you can browse through the full changelog for details. This will likely be the last release before shiny 1.0, so get out your party hats! To install it,

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Did Wages Detach from Productivity in 1973? An Investigation

September 12, 2016
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Did Wages Detach from Productivity in 1973? An Investigation

This is the third and final blog post in my series on income inequality. This post discusses the detachment of compensation from productivity that occured around 1973. I look at the data and use R for exploring this break, along with why it may have occured. R code is with the analysis, in the spirit of reproducible research.

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