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*It is mainly associated with the Pearson Product-Moment Correlation coefficient for bi-variate normal observations.
 
*It is mainly associated with the Pearson Product-Moment Correlation coefficient for bi-variate normal observations.
 
*In <math>FISHER(X)</math>, <math>x</math> is the number which ranges between -1 to +1.  
 
*In <math>FISHER(X)</math>, <math>x</math> is the number 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>, where <math>ln</math> is the natural logarithm function and <math>arctanh</math> is the Inverse Hyperbolic function.  
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*The transformation is defined by : <math>z=\frac{1}{2} ln(1+\frac{x}{1-x})= arctanh(x)</math>
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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>x</math> is non-numeric
 
  1.<math>x</math> is non-numeric
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