Articles by Murtaza Haider

Going over the speed limit

April 17, 2011 | Murtaza Haider

In an earlier post [Speeding tickets for R and Stata]  I had reported on how R compared with Stata for executing algorithms involving maximum likelihood estimation. This post  offers the following updates on the last post: Stata is in fact even faster than previously reported. The 64-bit version of the ... [Read more...]

Speeding tickets for R and Stata

April 10, 2011 | Murtaza Haider

How fast is R? Is it as fast in executing routines as the other off-the-shelf software, such as Stata? After some comparative experimentation, I found Stata to be 5 to 8  times faster than R. For me, speed has not been a concern in the past. I had used R with smaller ... [Read more...]

Painting a picture of statistical packages

April 4, 2011 | Murtaza Haider

Imagine you have to analyze text comprising 18,000 words. You have to identify the most commonly cited ideas or words in the text and then present the analysis in a graphic format. There are sophisticated tools out there to help you with this task, but then again there is a tight ... [Read more...]

R ready to Deduce you

April 1, 2011 | Murtaza Haider

Despite being one of the most powerful computing platforms, and being free at the same time, R still struggles against other statistical software, such as SPSS and SAS, in gaining mass appeal amongst users of statistical and market intelligence software. Many have cited the absence of a user-friendly graphical user ... [Read more...]

Google maps and travel times

April 1, 2011 | Murtaza Haider

Travel times and trip distances are at the core of urban economics. Many models of competition, housing markets, etc., rely on travel times or distances to explain the variance in economic outcomes. Determining travel times, especially non free-flow travel times (i.e., accounting for congestion) is however no trivial task. ... [Read more...]

GUIs for R

March 28, 2011 | Murtaza Haider

A recent post listed at R Bloggers ( 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...]
1 2 3

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)