Formula for DSE part 2 Flashcards
What is N, P and yi
What is the formula for forecast or predictive distribution?
F(y) = P(Y ≤ y).
What is the formula for forecast error?
What is the formula for quadratic and absolute loss function?
What is the general formula of risk
What is the general formula of risk for quadratic and absolut eloss
What is the formula for (Conditional) predictive modeling?
What is the formula for optimal conditional point forecast?
What is the formula for optimal conditional point forecast for quadratic loss?
What is the formula for the common loss function
“0-1” loss
What is euclidean distance formula?
What are the steps for knn?
What is the formula for conditional probabilities?
What is the formula for standardize and scaling?
What is the formula for the last step of knn? for regression task
What is the formula for in sample and out sample MSE for KNN?
What is the general formula for mean squared error for forecast for knn?
What is bayes rule?
What is the formula for likelihood? (slide 4)
What is the formula for prior probability and evidence? (slkide 4)
What is formula for Bayes theorem for a mix of discrete and continuous X and discrete Y(SLIDE 7)
kind of like joint density
What is the formula for the naive bayes classifier? (slide 11)
still need to estimate the marginal densities ƒ𝑘j
What is the formula for the average of outcomes falling into rectangle for decision tree? (slide 7)
What do you want to minimise in regression tree? (slide 7)
W
What are the steps to building decision trees? (slide 9)
What is the minimisation problem for tree choice in decision trees? (slide 23)
What is the formula for L(T,y) (slide 34). Explain what are the variable names
m indexes terminal nodes in tree T.
Nm is the no of obs. in terminal node m.
ym is the vector of outcomes for obs. in terminal node m.
What is the formula for pmk hat? (slide 34)
What is the formula for misclassification error generally and for binary case(slide 35)
What is the formula for gini index generally and for binary case(slide 35)
What is the formula for cross entropy or deviance generally and for binary case(slide 35)
What does the k means clustering minimise?
What does the first term represent in information criteria?
What is the formula for Zm
What is level, twist,butterfly movements?
draw them out
What is the formula for the linear regression model fitted?
slide 30
