Note that y is correlated with both x_1 and x_2 but the two predictors are independent of each other, as seen by cor(dat). Set the seed to 1, then use the caret package to partition into a test and training set of equal size. Compare the RMSE when using just x_1, just x_2 and both x_1 and x_2. Train a single linear model for each (not 100 like in the previous questions). Which of the three models performs the best (has the lowest RMSE)

What is the first view you place in your drawing?

How do you set up a slide show to play continuously, advancing through all the slides without requiring your interaction? a. click set up slide show, and then select the loop continuously until ‘esc' and show without narration options. b. click set up slide show, and then select the loop continuously until ‘esc' and use timings, if present options. c. click set up slide show, and then select the show presenter view and use timings, if present options. d. click set up slide show, and then select the show without animation and browsed at a kiosk (full screen) options.

Which of the following statements is true of an intranet? it is a network where a computer is connected to the internet and acts as a gateway for other devices.it is a widely available public network of interconnected computer networks.it is a network that covers a wide area with the of rented telecommunication lines.it is a network within an organization that uses internet protocols and technologies.