I have been using Linux as my main system for years. One thing I have always felt the lack of was the Word's grammar checking facilities. Especially when writing in LaTeX, I have often felt the lack of an automated system to catch the most common errors. Thanks to John Horton from MIT, now we... Continue Reading →
Geolocation Matching Based on Latitudes and Longitudes in R
Today I was faced with an interesting challenge, finding time zones for users defined by latitude and longitude. Thanks to extensive package libraries of R, the solution was not hard at all. First, I found the list of cities with populations greater than 1000 in Geonames.org web site. Now the list is quite big, almost... Continue Reading →
Marketing Research Methods in SAS
I am not much of a SAS person, I feel more comfortable in R. Yet there is one area where I feel SAS excels: experimental design, especially discrete choice experiments. Now to be honest, Aizaki 2012, also presents some basic guidelines in choice experiment design but the macros are nowhere near as elegant or as... Continue Reading →
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
From time to time I need to use SAS for some piece of analysis. Unfortunately installing SAS requires some workarounds these days. Here is my note to self on trickier parts of SAS installation. 1- Switch to bash instead of dash 2- Install dependencies
Wireshark install in Ubuntu 14.10
I use Wireshark in my demonstrations for the CIS-430 Networking and Distributed Systems class. I always enjoy the reaction of students when I sniff their FTP passwords off the air. To be able to gather packets in promiscuous mode how ever requires some authorization changes. Here is how I did it the last time I... Continue Reading →
Transactions on Replication Research, a Replication Journal for IS Field!
Through our discussions with the PhD students in the department, the lack of a replication journal has always been something we felt the lack of. Everybody agreed that scientific progress required replicability of results but, no one was able to spare the time to an endeavour which would surely go unrewarded. Now that there is... Continue Reading →
Irfmeister's Adventures 