Rana BasheerMar 16, 20145 minWhy do we use Fourier transform?A colleague asked me this question while discussing about the Fourier transform of a signal from an European version of GPS called...

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 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....

Rana BasheerApr 21, 20111 minAlpha DivergenceOn several occasions you want to classify an observation x into one of two categories Depending on which ever probability is higher we...

Rana BasheerApr 20, 20112 minParticle FilteringA brief introduction on particle filtering – a.k.a stochastic filters. We will start with our problem statement In some engineering...