I did a podcast with Chris Richardson of Pragmatic Institute, a California based data science education institute a while back, it is out now. Data Science ...
A complete Data Analysis package for Business Analytics
Interpreting univariate OLS coefficients
A simplified regression notation
The economist meets visual arts
Random action may be a well thought out strategy. Sometimes you would want to act randomly to make your next action hard to predict. This is particularly imp...
During the Second World War, in a secret Manhattan building, statisticians and mathematicians were recruited from across the U.S.A. to carry out data analysi...
Statistical enumerations of land, people, and property have taken place in many of the better organized empires and states since Babylonian times. These all ...
There are many variations on random sampling that aim to further improve representation or reduce the costs of data collection.