998 search results for "latex"

GUIs for R

March 28, 2011
By

A recent post listed at R Bloggers (http://www.r-bloggers.com/r-guis-which-one-fits-you/) made some erroneous statements about R Commander. Here is a revised description of R Commander with some issues addressed from the earlier blog:R Commander works ...

Read more »

Typos sorted, at last!

March 23, 2011
By
Typos sorted, at last!

After posting so many entries about typos in my books (making you wonder how there could be any text left!) and postponing their classification for so long, I decided on Saturday afternoon to collect those entries into a comprehensive pdf document that should be more useful for readers. I incidentally noticed that my book web-page

Read more »

Code: extended model support for mtable

March 22, 2011
By
Code: extended model support for mtable

I finally got around to organizing and packaging my complete set of extended model support for mtable in Martin Elff’s memisc library. Here is a list of the models supported: coxph, survreg – Cox proportional hazards models and parametric survival … Continue reading →

Read more »

One bicycle for two

March 22, 2011
By
One bicycle for two

Robin showed me a mathematical puzzle today that reminded me of a story my grand-father used to tell. When he was young, he and his cousin were working in the same place and on Sundays they used to visit my great-grand-mother in another village. However, they only had one bicycle between them, so they would

Read more »

How to: Binomial regression models in R

March 19, 2011
By
How to: Binomial regression models in R

Ever wondered how to predict success or failure as a function of other variables? Here's a quick tutorial on binomial regression in R.

Read more »

More pi plus 1 (or plus 0.01) day fun

March 15, 2011
By
More pi plus 1 (or plus 0.01) day fun

Since I just didn’t get enough this morning, I spent some more time fooling around with estimating pi. Since I was basically counting the number of random x,y pairs inside a quarter circle and computing a sample average for more … Continue reading →

Read more »

RStudio: My thoughts

March 15, 2011
By
RStudio: My thoughts

Let me get this out of the way: I just love RStudio.Created by a team lead by JJ Allaire, a name that should ring a bell if you were involved in web development during the Clinton administration, RStudio is an R IDE that is actually designed for R from...

Read more »

RStudio: My thoughts

March 15, 2011
By
RStudio: My thoughts

Let me get this out of the way: I just love RStudio.Created by a team lead by JJ Allaire, a name that should ring a bell if you were involved in web development during the Clinton administration, RStudio is an R IDE that is actually designed for R from...

Read more »

I’m late for π day

March 15, 2011
By
I’m late for π day

It is officially no longer pi day, but I didn’t see this Drew Conway post about estimating pi until just a few minutes ago. Because Google Reader doesn’t show github embeds, I also got to try it without seeing Drew’s … Continue reading →

Read more »

Hacker News Analysis

March 13, 2011
By
Hacker News Analysis

I was playing around with the Hacker News database Ronnie Roller made (thanks!), so I thought I’d post some of my findings. Activity on the Site My first question was: how has activity on the site increased over time? I … Continue reading →

Read more »