Blog Archives

ggplot2: Cheatsheet for Visualizing Distributions

February 18, 2014
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ggplot2: Cheatsheet for Visualizing Distributions

In the third and last of the ggplot series, this post will go over interesting ways to visualize the distribution of your data.

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ggplot2: Cheatsheet for Barplots

January 9, 2014
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ggplot2: Cheatsheet for Scatterplots

November 13, 2013
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Loops revisited: How to rethink macros when using R

October 4, 2013
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Exporting Results of Linear Regression with Robust Standard Errors

August 24, 2013
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Let’s Make a Date: Date and Time classes in R

July 11, 2013
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Sample size calculations equivalent to Stata functions

June 25, 2013
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Mastering Matrices

April 7, 2013
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Mastering Matrices

R has many ways to store information.  Most of the time, our data comes in the form of a dataset, which we bring into R as a data.frame object. However, there are times when we want to use matrices as well. This post will show you how matrices can...

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Extracting Information From Objects Using Names()

March 17, 2013
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Extracting Information From Objects Using Names()

One of the big differences between a language like Stata compared to R is the ability in R to handle many different types of objects at once, and combine them together or pull them apart.  I had a post about objects last year, but I thought I'd sh...

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Normal distribution functions

February 25, 2013
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Normal distribution functions

Ah, the Central Limit Theorem.  The basis of much of statistical inference and how we get those 95% confidence intervals.  It's just so beautiful!  Lately, I have found myself looking up the normal distribution functions in R.  They...

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