3535 search results for "git"

Digitizing data from old plots using ‘digitize’

June 23, 2011
By

The June 2011 issue of The R Journal contains an article on the R package digitize (link to pdf) by Timothée Poisot. This might prove to be a handy tool if you occasionally find yourself needing to retrieve data points from figures in old articles for...

Read more »

Stata-like Marginal Effects for Logit and Probit Models in R [2]

May 18, 2011
By
Stata-like Marginal Effects for Logit and Probit Models in R [2]

My thanks to those who emailed comments and suggestions for my ‘mfx’ function, I’m happy that I could fill a void for some people. I also received a request/suggestion from Tony Cookson, along with a helpful fix for a bug in the code, to include an option that would allow the user to specify values

Read more »

Stata-like Marginal Effects for Logit and Probit Models in R

May 17, 2011
By
Stata-like Marginal Effects for Logit and Probit Models in R

Although this blog’s primary focus is time series, one feature I missed from Stata was the simple marginal effects command, ‘mfx compute’, for cross-sectional work, and I could not find an adequate replacement in R. To bridge this gap, I’ve written a (rather messy) R function to produce marginal effects readout for logit and probit

Read more »

Globally Set Digits in Sweave

March 30, 2011
By
Globally Set Digits in Sweave

I use Sweave regularly for most of my writing and love the way it works. However, one issue that often irks me is the inability to globally set the number of digits to display. Here is a minimal example that illustrates my point. If we now display the numbers using Sexpr, this is what we

Read more »

A Million Random Digits: review of reviews

March 4, 2011
By
A Million Random Digits: review of reviews

Recently on his blog (here), Robin mentioned an amazing book, called "A Million Random Digits" published by RAND corporation. The book was initially published in 1955, but RAND published a nice (and expensive) second edition. A great thing is that ...

Read more »

A legitimate use for the stupidest variable name ever

February 2, 2011
By
A legitimate use for the stupidest variable name ever

The help page to make.names describes how to make a valid variable name in R: A syntactically valid name consists of letters, numbers and the dot or underline characters and starts with a letter or the dot not followed by a number. Names such as ‘”.2way”’ are not valid, and neither are the reserved words.

Read more »

Getting Started with Git, EGit, Eclipse, and GitHub: Version Control for R Projects

November 28, 2010
By

This post provides information on (a) installing Git using the Eclipse plugin Egit. (b) uploading repositories to GitHub, and (c) links to resources on Git, Git and LaTeX, and Git and R. The focus is on version control for people working on R, Sweave, ...

Read more »

Getting Started with Git, EGit, Eclipse, and GitHub: Version Control for R Projects

November 28, 2010
By

This post provides information on (a) installing Git using the Eclipse plugin Egit. (b) uploading repositories to GitHub, and (c) links to resources on Git, Git and LaTeX, and Git and R. The focus is on version control for people working on R, Sweave, ...

Read more »

Tools for Hacking R: Git + Subversion

August 24, 2010
By

In an earlier post, I discussed how to use Subversion to download, edit, and generate a patch against R‘s source code. Since most of us can’t commit our code changes back to R‘s repository, we can consider alternatives to store and maintain our patch, until it is eventually incorporated into R. Of course, our changes

Read more »

GitHub Stats on Programming Languages

August 9, 2010
By
GitHub Stats on Programming Languages

GitHub has become a popular site for Open Source Developers to stash code and collaborate on projects.  The following are some stats and analysis related to programming languages in use based upon the number of users and repositories.  T...

Read more »