Gravity
Theorizing that Newton’s theory of gravity holds for IT, and testing it by dropping a PC from an office window in the MIS department is obviously not valuable.
March and Smith, 1995
Theorizing that Newton’s theory of gravity holds for IT, and testing it by dropping a PC from an office window in the MIS department is obviously not valuable.
March and Smith, 1995
PLM package is pretty decent for traditional econometric models, yet when it comes to datasets I have to deal with everyday it can be pretty inefficient. If only we had a version of within transformation that would work with multiple clustering variables… Actually, we have it in the form of felm package for R from…
A brief aside (I am in crunch mode and can’t write more). Getting into nls (very exciting) these days and learning quite a bit about it. One issue with fitting these models is the difficulty of finding appropriate starting values. When you are trying to fit one of these models finding starting values is not…
I use markdown in my analysis reports and for my research log. When I was thinking of putting up a more official looking public profile page, I found myself thinking of using markdown to create my profile page on ASU web site. While Markdown is convenient in generating HTML, it is not really suited for…
Plotly presents a visually pleasing way to create 3D plots in R and Python.
So for one of the projects I am working on I have to deal with large Json files. My first instinct is to use what I know: R, python, bash… But this time I had to use a tool that was new to me, JQ, with great results. The problem with R is everything needs…
I keep talking about using large datasets and how some models take quite long time to run. One of those models is typically two way fixed effects models. While regular econometrics packages like plm are quite good for reasonably large datasets, more and more I find it hard to use with my datasets. Here is…
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