Mon 14 April 2014

Population & Sample Variance
A practical example of why we divide by (n-1) when calculating the sample variance

Mon 31 March 2014

Detecting and Fixing Outliers in Data
Using a Selective Median Filter to clean erroneous data

Sun 30 March 2014

Remittance and the exchange rate
Remittance is surprisingly not dependent on the prevailing exchange rate

Mon 10 March 2014

Base Rate Fallacy
Interpreting commonly quoted statistical results through understanding of base and false discovery rates.

Tue 11 February 2014

Fertility & Infant Mortality
An analysis to determine the relationship between fertility and infant mortality rates

Sun 26 January 2014

Are Movies Getting Better or Worse?
A fun little data analysis exercise using IMDB movie rating database

Wed 22 January 2014

Demystifying the Data Scientist
Is the time ripe for a full stack data scientist?

Sun 19 January 2014

Introduction to R
Learn the basics of using R to perform simple data analysis

Wed 01 January 2014

Monte Carlo simulation in Scala
Calculating the value of Pi using Monte Carlo simulation

Wed 13 November 2013

Curve smoothing in R
Common techniques for smoothing curves and how to do that in R