Written by Calculates the complementary error function.
Returns the error function.
Calculates the error function value.
Determines variance for the complete population of specific database entries.
Calculates variance based on a subset of given database entries.
Computes the standard deviation for an entire population based on selected entries from a database.
Calculates the standard deviation from a selected sample of entries in a database.
Calculates the total of squared deviations.
Returns the smallest value for which the cumulative binomial distribution meets or falls short of a specified threshold.
Calculates the sample covariance, which represents the average of the products of deviations for corresponding pairs of values from two datasets.