FISHER (Number) FISHER (Number)
Number
Number Number
The correlation coefficient to transform, which must be strictly between -1 and 1.
Returns
Number Number
The Fisher transformation of the number.
Returns the Fisher transformation of a number. The Fisher transformation converts a correlation coefficient into a value that is approximately normally distributed, which is useful for constructing confidence intervals and performing hypothesis tests on correlation coefficients. Use FISHERINV to reverse the transformation.
Examples
FISHER (0)
FISHER (0)
Returns 0.
FISHER (0.8)
FISHER (0,8)
Returns roughly 1.10.