ChiSquared Command
- ChiSquared( <Degrees of Freedom>, x )
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Creates cumulative density function (cdf) of Chi squared distribution with the appropriate degrees of freedom.
- ChiSquared( <Degrees of Freedom>, x, <Boolean Cumulative> )
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If the logical value is true, creates cumulative distribution function of Chi squared distribution, otherwise creates pdf of Chi squared distribution.
- ChiSquared( <Degrees of Freedom>, <Variable Value> )
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Calculates the value of cumulative distribution function of Chi squared distribution at Variable Value v, i.e. the probability P(X ≤ v) where X is a random variable with Chi squared distribution with the appropriate degrees of freedom.
ChiSquared(4, 3) yields \(\gamma(2, \frac{3}\{2})\), which is approximately 0.44.
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Returns the probability for a given x-coordinate’s value (or area under the Chi squared distribution curve to the left of the given x-coordinate). |