Rana BasheerFeb 11, 20152 minWhy is buying a good used car a futile propositionThe market for lemons is an interesting article that explores the effect of information asymmetry in a sale. Simple day-to-day activities...
Rana BasheerFeb 15, 20144 minMathematics of LoveWhile going through volumes and volumes of whatsapp message logs of my communication with my fiance, I had this realization that there is...
Rana BasheerJan 10, 20143 minMarcum the Extremist“Moderation is the center wherein all philosophies, both human and divine, meet.” – Benjamin Disraeli extremist enough. While being bed...
Rana BasheerMar 4, 20134 minExtreme Events and Signal DetectionAn idea has been simmering in my mind for sometime regarding the statistical nature of signal detection in a wireless receiver....
Rana BasheerFeb 18, 20134 minFirst world problem of Global Positioning SystemsIn ancient times, circa AD 2000, getting a GPS device to give you an accurate location was nothing short of a black magic art. After...
Rana BasheerJan 24, 20135 minPhysics of Wall StreetThis book chronicles the trials and tribulations of those who toiled hard, despite being ostracized by mainstream scientist, to develop a...
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 8, 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 BasheerMay 20, 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 22, 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 21, 20112 minParticle FilteringA brief introduction on particle filtering – a.k.a stochastic filters. We will start with our problem statement In some engineering...
Rana BasheerMar 28, 20111 minNon-coherent Integration For Signal DetectionN-Point FFT on a standard gaussian noise results in real and imaginary results that are gaussian distributed with variance N/2. This...
Rana BasheerMar 26, 20112 minMax to Mean Ratio of Normal dataOne oversimplified method to look for a valid signal in a frequency band is to first compute the FFT of the signal in the desired...
Rana BasheerMar 25, 20111 minHitting TimeThis weekend I talked to my favorite professor about my previous supposedly simple probability problem. He quickly pointed out that this...
Rana BasheerMar 18, 20111 minSimple probability problemI have a normal random variable that varies with time t as where Detection criterion is when the random variable So what is the...
Rana BasheerMar 15, 20112 minPaper due in 3 weeks and I am freaking outSo this is the first time I got into a “cart before the horse” situation with regarding to writing technical papers. I have collected...
Rana BasheerMar 15, 20112 minCopula in statisticsRecently I came across this method commonly applied in financial statistics for computing joint distributions from marginal distributions...