Useful tips for everyday
What do nodes in an influence diagram represent? Influence diagrams are directed acyclic graphs with three types of nodes—decision nodes, chance nodes, and a value…
What is deviance in anova? The deviance is used to compare two models – in particular in the case of generalized linear models (GLM) where…
What is a subject classification? n. The organization of materials into categories according to a scheme that identifies, distinguishes, and relates the concepts or topics…
What is the evidence for a Gaussian process? For Gaussian processes our evidence is the training data. Now that we’ve seen some evidence let’s use…
What does it mean if the covariance matrix is diagonal? A variance-covariance matrix is a square matrix that contains the variances and covariances associated with…
When testing the null hypothesis for the Mann-Whitney U test if it is true what value or approximately what value are we expecting? If the…
Is statistics considered a math? Introduction. Statistics is a mathematical body of science that pertains to the collection, analysis, interpretation or explanation, and presentation of…
How is R-squared determined? To calculate the total variance, you would subtract the average actual value from each of the actual values, square the results…
What is the relation between geometric mean and harmonic mean? GM or Geometric Mean is the mean value or the central term in the set…
What are two main classifications of real numbers? Real numbers are divided into Rational and Irrational numbers. What are the 4 types of real numbers?…