Statistics How To

Statistics How To


Contrast Analysis

Hypothesis Testing > Contrast analysis is a way to provide more precise conclusions than a traditional analysis of variance for tests with factorial designs. While an F-Test will give you an idea of whether your independent variables have an effect…

NRMSE

Statistics Definitions > The normalized root mean squared error (NRMSE), also called a scatter index, is a statistical error indicator defined as [1]. Where Oi are observed values and Si are simulated values. It can also be calculated as RMSE/range…

Clopper-Pearson Exact Method

Confidence Intervals > Clopper-Pearson The Clopper-Pearson interval, also called the exact interval is an alternative to calculating binomial confidence intervals using normal approximation. It is based on inverting the equal-tailed binomial tests. It is the most commonly cited exact method…