Variance Metric: Difference between revisions

Variance Metric (view source)

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 ===2005===
-* ([[Lord & al, 2005]]) => [[Dominique Lord]], [[Simon P. Washington]], and [[John N. Ivan]]. (2005). "Poisson, Poisson-gamma and zero-inflated regression models of motor vehicle crashes: balancing statistical fit and theory." In: Accident Analysis & Prevention, 37(1). [http://dx.doi.org/10.1016/j.aap.2004.02.004 doi:10.1016/j.aap.2004.02.004]
+* ([[Lord & al, 2005]]) &rArr; [[Dominique Lord]], [[Simon P. Washington]], and [[John N. Ivan]]. (2005). "Poisson, Poisson-gamma and zero-inflated regression models of motor vehicle crashes: balancing statistical fit and theory." In: Accident Analysis & Prevention, 37(1). [http://dx.doi.org/10.1016/j.aap.2004.02.004 doi:10.1016/j.aap.2004.02.004]
 ** QUOTE: The [[arithmetic mean|mean]] and [[arithmetic variance|variance]] of the [[binomial distribution]] are <math>E(Z) = Np</math> and <math>VAR(Z) = Np(1-p)</math> respectively.