Data Visualization With Ggplot2 - Study Mode

[#81] In practice, Line of best fit or regression line is found when . . . . . . . .
Correct Answer

(C) Sum of the square of residuals ( ∑ (Y-h(X))2) is minimum

[#82] Which function is used for seeing currently active libraries?
Correct Answer

(C) .libpaths()

[#83] Which function is used for loading packages?
Correct Answer

(A) Library

[#84] The job of the . . . . . . . . file is to store important metadata about your package.
Correct Answer

(A) Description

[#85] DCF is an abbreviation for . . . . . . . .
Correct Answer

(C) Debian control format