|
Gets the probability for the ratio of two variances from the selected Covariance object being different from a hypothesized ratio.
The test statistic
| f = s12 / s22 / ratio |
is distributed as Fisher's F distribution with ndf1 = N-1 and ndf2 = N-1 degrees of freedom for the numerator and denominator terms, respectively.
The returned probability p will be the two-sided probability
| p = 2 * fisherQ (f, ndf1, ndf2) |
If s22 > s12 we use 1/f to determine the probability.
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