Q. Which of the following determine the least-squares regression line?

View solution

Q. Which of the following is tool for checking normality?

View solution

Q. Which of the following is lattice command for producing boxplots?

View solution

Q. Which of the following compute analysis of variance table for fitted model?

View solution

Q. Which of the following is used to find variance of all values?

View solution

Q. The purpose of fisher.test() is _______ test for contingency table.

View solution

Q. Which of the following convert a matrix of phi coefficients to polychoric correlations?

View solution

Q. Which of the following is used to plot multiple histograms?

View solution

Q. Which of the following count the number of good cases when doing pairwise analysis?

View solution

Q. Which of the following gives the summary of values likes mean etc?

View solution

Q. The purpose of correct.cor is to correct _________ in values.

View solution

Q. What plot(s) are used to view the linear regression?

View solution

Q. Common Metrics which are used to select linear model are ____________

View solution

Q. In lm(response ~ terms), terms specification of the form “first*second” is same as __________

View solution

Q. In practice, Line of best fit or regression line is found when _____________

View solution

Q. If Linear regression model perfectly first i.e., train error is zero, then _____________________

View solution

Q. Which of the following metrics can be used for evaluating regression models?
i) R Squared
ii) Adjusted R Squared
iii) F Statistics
iv) RMSE / MSE / MAE

View solution

Q. How many coefficients do you need to estimate in a simple linear regression model (One independent variable)?

View solution

Q. In a simple linear regression model (One independent variable), If we change the input variable by 1 unit. How much output variable will change?

View solution

Q. Function used for linear regression in R is __________

View solution