Topic: Gamma Distribution
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What is the use of the Gamma distribution?
It is very frequently used in statistics. First of all, multiplying a Chi-square random variable by a constant you obtain a Gamma random variable. So, for example, most estimates of variance obtained in inferential statistics have a Gamma d... Read More »
Source: http://wiki.answers.com/Q/What_is_the_use_of_the_Gamma_distributi...
What is gamma distribution?
( ¦gam·ə ′dis·trə′byü·shən ) (statistics) A normal distribution whose frequency function involves a gamma function. Also known as Erlang distribution. Read More »
Source: http://www.answers.com/topic/gamma-distribution
What is the cdf of a gamma distribution?
Do you mean in terms of the equation for it? If so, it includes Greek symbols, which cannot properly be sent to ur phone. Read More »
Source: http://www.chacha.com/question/what-is-the-cdf-of-a-gamma-distrib...
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Gamma Distribution
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You can probably find tables of values to use. The pdf looks too difficult to integrate. I'd search around for some tables or maybe use a statistics program to do it. Source(s): http://www.statsoft.com/textbook/glosfra…
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Source: http://answers.yahoo.com/question/index?qid=20080411171351AAM8zct
f(x) dx = [1/ β^(α) Γ(α)] ∫ e^-x/β x^(α-1) dx from 4 to ∞ let x/β = z dx = β dz [1/ β^(α) Γ(α)] ∫ e^-z z^(α-1) β^(α-1) β dz , 4/β < z < ∞ [1/ Γ(α)] ∫ e^-z z^((α-1) dz , 4/β < z < ∞ The limits of integration with α=2 and β=3 are 4/3 < z < ∞ ...
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Source: http://answers.yahoo.com/question/index?qid=20090407073844AATOMzk
There is abig difference between them..gamma is a distribution but central limit theorm is just like a method or technique u use to approximate gamma to another distriution which is normal....stupid
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Source: http://wiki.answers.com/Q/What_is_the_difference_between_Gamma_di...
see http://www.johndcook.com/inverse_gamma.pdf
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Source: http://wiki.answers.com/Q/How_do_you_calculate_mean_of_inverse_ga...
When alpha is 2 or less than 2 the variance of the inverse gamma doesn't exist. That is why when the variance is defined for the inverse gamma it always says "for α > 2". It is also the case that when alpha is 1 or less the mean of the inve...
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Source: http://wiki.answers.com/Q/What_is_the_variance_of_a_inverse_gamma...
A hierarchical Poisson-gamma model is proposed and compared to other models proposed in the literature, demonstrating a clear improvement in terms of fit and interpretation. MORE?
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Source: http://www.chacha.com/question/what-is-an-example-of-a-poisson%2C...
