Data Manipulation With Dplyr - Study Mode

[#86] In dplyr, how do you calculate the total count of observations in each group using summarize()?
Correct Answer

(A) summarize(count = n())

[#87] . . . . . . . . generate aesthetic mappings from a string.
Correct Answer

(C) aes_string

[#88] . . . . . . . . produces one-dimensional scatterplots.
Correct Answer

(B) stripplot

[#89] . . . . . . . . create a complete ggplot appropriate to a particular data type.
Correct Answer

(A) autoplot

[#90] . . . . . . . . grammar makes a clear distinction between your data and what gets displayed on the screen or page.
Correct Answer

(B) ggplot2