# Blog Archives

## Simple visually-weighted regression plots

September 24, 2012
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There has recently been a lot of discussion of so-called “visually-weighted regression” plots. Folk hero Hadley Wickham suggests that such plots would be easy to implement with ggplot2, and so I have attempted to prove him right. The approa...

## Compactly display the structure of an arbitrary R object

September 21, 2012
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As you advance in your R use past “canned” functions and packages made by others, you may want to take information from one R object for use in another. For example, you may want to estimate a linear model, then use the results of that esti...

## Converting an R object to text, with dput()

September 20, 2012
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We’ve already briefly covered making a reproducible example, but I thought I’d go a little more in-depth on the very helpful function dput(). Whenever I am having trouble applying an operation to some R object, and need help, but want to av...

## Side note…

September 18, 2012
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MathJax allows you to customize how $$\LaTeX$$ is displayed. Simply right click over the math you’d like to see to access the display menu. Under “math settings” you can see zoom trigger and factor options. Given how small the text ...

## Embedding $$\LaTeX$$ in Tumblr

September 18, 2012
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The classic Pythagorean identity is:  $$sin^2(\theta) + cos^2(\theta) =1$$ The binomial formula which calculates the probability of obtaining k tails when flipping a coin n times, with a assumed probability p for each trial is: \( P(E)   = {n \choos...

## Etymology

September 16, 2012
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Chris and I started this blog as an outlet for the work we were already doing every day: writing code and trying to avoid forgetting how we wrote it. To that end, gist.github.com is an extremely useful resource, and this blog allows us to add a little ...

## How to embed a Gist in Tumblr

September 9, 2012
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Here, both for the sake of posterity, as well as example, is an embedded Gist that describes how to embed a Gist in Tumblr: https://gist.github.com/1395926