MGSC Exam 2 Questions And Answers 100% Verified 2024/2025

MGSC Exam 2 Questions And Answers 100% Verified 2024/2025 what does Y|X mean - answerY dependent on X what does E[] mean - answerexpected value operator/ population average what does F or P [] mean - answerprobability of what does E [Y|X] mean - answerthe average of Y depending on X which type of regression models the percentiles of a distribution - answerquantile how do you tell if the regression model is logistic - answerbinary response has family = binary in the glm command how do you tell if the regression model is linear - answercontinuous response B0+B1X1+......+BkXk could also be written as - answerX'B what is f(.) - answerlink function predictor variables can also be called - answerexplanatory, features, inputs taking transformations of variables to crease new predictor variables in a regression is known as - answerfeature engineering in a logistic regression, f(z) = - answere^z/(1+e^2) in a linear regression f(z) = - answerz where do you find the response variable in a glm code - answerwhatever comes before the ~ what is the predictor variable of a glm code - answerwhatever comes after ~, but if its negative it means all but that if asked what data to look in where do you look - answerwherever it says data = how is the coefficient on x interpreted in fit <- glm (log(y) ~ log(x), data = myData) - answerthe % change in Y for each 1% increase in C