DataLab is a compact statistics package aiming at exploratory data analysis. Please visit the DataLab Web site for more information....


Declaration: nDistriIntegral (u: double): double;
The function nDistriIntegral returns the integral of the standard normal distribution between minus infinity and the value of the parameter u. The returned value may vary between 0.0 and 1.0


Hint: The calculated value is exact to about 8 decimal places.