Rana BasheerDec 28, 20121 minGranger CausalityGranger causality is one of several tools that are extensively used to figure out cause and effect (causal) relationship from data....
Rana BasheerDec 28, 20122 minPitfalls of Data Driven ModelsDefining a system from data is poor mans version of research. If you don’t understand a complicated system, then throw in enough data and...
Rana BasheerDec 7, 20125 minInformation from noiseIf you ever wondered why your good cellphone connection just started making that scratchy noise when you stepped couple of feet away or...
Rana BasheerNov 25, 20121 minAre we living in a matrix?To understand a real-world system, typically simulate a very simplified model on a computer. If our available technology did not limit...
Rana BasheerMay 19, 20112 minInteresting probability problem – Crazy airplane guyThis problem I found on the following website. I am just restating it below A line of 100 airline passengers is waiting to board a plane....