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*In <math>FISHER(Number)</math>, <math>Number</math> is the value which ranges between -1 to +1.
*In <math>FISHER(Number)</math>, <math>Number</math> is the value which ranges between -1 to +1.
*The transformation is defined by : <math>z=\frac{1}{2} ln(1+\frac{x}{1-x})= arctanh(x)</math>
*The transformation is defined by : <math>z=\frac{1}{2} ln(1+\frac{x}{1-x})= arctanh(x)</math>
where <math>ln</math> is the natural logarithm function and <math>arctanh</math> is the Inverse Hyperbolic function.
where <math> ln </math> is the natural logarithm function and <math> arctanh </math> is the Inverse Hyperbolic function.
*This function will give the result as error when:
*This function will give the result as error when:
1.<math>Number</math> is non-numeric
1.<math>Number</math> is non-numeric