chi2inv

Statistics

Inverse chi-squared CDF (quantile function). Returns x such that chi2cdf(x, df) = p. Uses Newton iteration with Wilson-Hilferty initial guess.

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Syntax

chi2inv(p, df)

Examples

chi2inv(0.95, 2)

chi2inv(0.99, 5)

See Also

chi2cdf chi2pdf

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