AFM 112 - chp 6

Question 1

how to create a new variable

Answer 1

use the assign operator (<-) to redefine the data set to include the original and the new variables that have been created using the function mutate

Question 2

what’s the purpose of function glimpse

Answer 2

to review and verify variables

Question 3

what’s the purpose of the filter function

Answer 3

to focus on specific observations

Question 4

how can we generate a filter that imposes 2 constraints?

Answer 4

use the symbol “&”

Question 5

Why should we transition from spreadsheets to R

Answer 5

increases our degrees of freedom regarding the data we can analyze and the kind of analysis we can do