Articles by enayet

R Resources

March 13, 2014 | enayet

I am listing some useful R resources. I start with the following post on (free) R Books from An R "Meta" Book by Joseph Rickert This page lists some e-books or e-materials for various topics in statistics ranging from basis concepts of statistics to ... [Read more...]

Poisson approximation of binomial probabilities

March 1, 2012 | enayet

This is yet another experiment to see how good is the approximation of binomial probability when we use Poisson and normal distributions for scenarios with large $n$, and $p$ close to zero or one. Consider a problem where the random variable $X$ follows a binomial distribution with a known probability ... [Read more...]

How to do this graph using R

April 26, 2010 | enayet

I am showing three examples that will help an average R user to create beautiful graphs. The interesting (may be useful) parts of these examples are the use of some very smart but tricky functions to, for example, add a Greek symbol on a plot, add a title to a ... [Read more...]

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