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Rana Basheer
Feb 11, 20152 min read
Why is buying a good used car a futile proposition
The market for lemons is an interesting article that explores the effect of information asymmetry in a sale. Simple day-to-day activities...
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Rana Basheer
Feb 14, 20144 min read
Mathematics of Love
While going through volumes and volumes of whatsapp message logs of my communication with my fiance, I had this realization that there is...
16 views
Rana Basheer
Jan 9, 20143 min read
Marcum the Extremist
“Moderation is the center wherein all philosophies, both human and divine, meet.” – Benjamin Disraeli extremist enough. While being bed...
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Rana Basheer
Mar 3, 20134 min read
Extreme Events and Signal Detection
An idea has been simmering in my mind for sometime regarding the statistical nature of signal detection in a wireless receiver....
19 views
Rana Basheer
Feb 17, 20134 min read
First world problem of Global Positioning Systems
In ancient times, circa AD 2000, getting a GPS device to give you an accurate location was nothing short of a black magic art. After...
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Rana Basheer
Jan 24, 20135 min read
Physics of Wall Street
This book chronicles the trials and tribulations of those who toiled hard, despite being ostracized by mainstream scientist, to develop a...
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Rana Basheer
Dec 28, 20121 min read
Granger Causality
Granger causality is one of several tools that are extensively used to figure out cause and effect (causal) relationship from data....
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Rana Basheer
Dec 28, 20122 min read
Pitfalls of Data Driven Models
Defining a system from data is poor mans version of research. If you don’t understand a complicated system, then throw in enough data and...
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Rana Basheer
Dec 7, 20125 min read
Information from noise
If you ever wondered why your good cellphone connection just started making that scratchy noise when you stepped couple of feet away or...
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Rana Basheer
May 19, 20112 min read
Interesting probability problem – Crazy airplane guy
This 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....
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Rana Basheer
Apr 21, 20111 min read
Alpha Divergence
On several occasions you want to classify an observation x into one of two categories Depending on which ever probability is higher we...
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Rana Basheer
Apr 20, 20112 min read
Particle Filtering
A brief introduction on particle filtering – a.k.a stochastic filters. We will start with our problem statement In some engineering...
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Rana Basheer
Mar 28, 20111 min read
Non-coherent Integration For Signal Detection
N-Point FFT on a standard gaussian noise results in real and imaginary results that are gaussian distributed with variance N/2. This...
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Rana Basheer
Mar 26, 20112 min read
Max to Mean Ratio of Normal data
One oversimplified method to look for a valid signal in a frequency band is to first compute the FFT of the signal in the desired...
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Rana Basheer
Mar 25, 20111 min read
Hitting Time
This weekend I talked to my favorite professor about my previous supposedly simple probability problem. He quickly pointed out that this...
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Rana Basheer
Mar 18, 20111 min read
Simple probability problem
I have a normal random variable that varies with time t as where Detection criterion is when the random variable So what is the...
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Rana Basheer
Mar 15, 20112 min read
Paper due in 3 weeks and I am freaking out
So this is the first time I got into a “cart before the horse” situation with regarding to writing technical papers. I have collected...
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Rana Basheer
Mar 15, 20112 min read
Copula in statistics
Recently I came across this method commonly applied in financial statistics for computing joint distributions from marginal distributions...
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