Articles by Francis Smart

A Weekend With Julia: An R User’s Reflections

April 23, 2014 | Francis Smart

The Famous Julia First off, I am not going to talk much about Julia's speed. Everybody has seen the tables and graphs showing how in this benchmark or another, Julia is tens times or a hundred times faster than R.  Most blog posts talking about Julia test the generality of ... [Read more...]

RStata: Funny or just annoying?

April 21, 2014 | Francis Smart

Okay okay.  The joke is up.  Besides likely necessitating an emergency call to from the Stata Management Team to the Stata Legal Team, my post on April 1st of 2014 entitled "RStata: Stata Fully Mapped into R", was intended as a practical joke... [Read more...]


April 16, 2014 | Francis Smart

BitsanityThe awesome folks at Quandl (an amazing data collection and distribution service) have been so kind as to allow me to write for their blog.In my first post for them I demonstrate (with detailed R code) how a user of their free data services co... [Read more...]

Does R have too many packages?

April 3, 2014 | Francis Smart

The Homeless EconometricianThe amazing growth and success of CRAN (Comprehensive R Archive Network) is marked by the thousands of packages have been developed and released by a highly active user base.  Yet even so, one of the founders and primary... [Read more...]

Stata Fully Mapped into R

April 1, 2014 | Francis Smart

Hello all of you Stata loving statistical analysts out there!  I have great news.  I am finally nearly done with the package I have been working on which provides the mechanism for Stata users to seamlessly move from Stata to R though use of ... [Read more...]

Why use R? Five reasons.

March 27, 2014 | Francis Smart

In this post I will go through 5 reasons: zero cost, crazy popularity, awesome power, dazzling flexibility, and mind-blowing support. I believe R is the best statistical programming language to learn. As a blogger who has contributed over 150 posts in Stata and over 100 in R I have extensive experience with both ... [Read more...]

Text Mining Gun Deaths Data

March 13, 2014 | Francis Smart

In this post I will explore public data being collected by Slate.  I previously released code using a much early set of this data demonstrating how to turn this data into an animated map.This data began collection as a public response to the horri... [Read more...]

The Star Puzzle

March 4, 2014 | Francis Smart

The Star Puzzle is a puzzle presented on The Math Forum.  I became aware of this problem by noticing the article and solution posted on Quantitative Decisions article section. It asks the question, "How many triangles, quadrilaterals, and irregula... [Read more...]

Stick Figure Function Fun – R

January 31, 2014 | Francis Smart

I have created a stick figure generating function for the purposes of adding a human figure as a demonstration of scale to some of my graphs as well as potentially emoticons to my shiny/concerto applications.You can change basic graphing parameters li... [Read more...]

Unobserved Effects With Panel Data

December 4, 2013 | Francis Smart

It is common for researchers to be concerned about unobserved effects being correlated with observed explanatory variables.For instance, if we were curious about the effect of meditation on emotional stability we may be concerned that there might be so... [Read more...]
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