datatable.math.erf()

datatable.math.

erf

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x

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Error function erf(x), which is defined as the integral

\[\operatorname{erf}(x) = \frac{2}{\sqrt{\tau}} \int^{x/\sqrt{2}}_0 e^{-\frac12 t^2}dt\]

This function is used in computing probabilities arising from the normal distribution.

See also

• erfc(x) – complimentary error function.