Useful tips for everyday
How will you diagnose a linear regression model? Again, the assumptions for linear regression are: Linearity: The relationship between X and the mean of Y…
What is Tweedie glm? The Tweedie package allows you to fit a glm with any power function and any power link. In the glm family…
How is the Bayes error rate used in classification? Abstract The Bayes error rate gives a statistical lower bound on the error achievable for a…
When do you use two proportions test? Use a two-proportions hypothesis test to determine whether a Six Sigma project actually improved the process. The test…
What is a good likelihood ratio for a test? A relatively high likelihood ratio of 10 or greater will result in a large and significant…
Is binomial distribution an exponential family? The families of binomial and multinomial distributions with fixed number of trials n but unknown probability parameter(s) are exponential…
How is mutual information defined for two random variables X and Y? 4 Mutual information. Definition The mutual information between two discreet random variables X,…
How does P values distribute under the null hypothesis? Under the null hypothesis, your test statistic T has the distribution F(t) (e.g., standard normal). We…
How do you find PB in Bayes Theorem? The formula is: P(A|B) = P(A) P(B|A)P(B) P(Man|Pink) = P(Man) P(Pink|Man)P(Pink) P(Man|Pink) = 0.4 × 0.1250.25 =…
Are there any limitations to using repeated measures? It also has the limitation that it cannot do post-hoc tests on the repeated measures factor, which…