Explanation:The select() function allows you to get the few columns you might need. 2. Point out the correct statement :
A. You can also omit variables using the select() function by using the negative sign
B. The arrange() function also allows a special syntax that allows you to specify variable names based on patterns
C. Reordering rows of a data frame is normally easier to do in R
D. All of the mentioned
Answer:A
Explanation:The select() function allows you to get the few columns you might need. 2. Point out the correct statement :
A. You can also omit variables using the select() function by using the negative sign B. The arrange() function also allows a special syntax that allows you to specify variable names based on patterns C. Reordering rows of a data frame is normally easier to do in R D. All of the mentioned
Explanation:The arrange() function is used to reorder rows of a data frame according to one of the variables/columns. 3. ________ function is similar to the existing subset() function in R but is quite a bit faster.