A data analyst writes the following code chunk to return a statistical summary of their dataset: quartet %% group_by(set) %% summarize(mean(x), sd(x), mean(y), sd(y), cor(x, y)) Which function will return the average value of the y column?

Question

A data analyst writes the following code chunk to return a statistical summary of their dataset: quartet %>% group_by(set) %>% summarize(mean(x), sd(x), mean(y), sd(y), cor(x, y)) Which function will return the average value of the y column?

topGrad Admin · Accepted Answer

The mean() function will return the average value of a specific variable. In this case, mean(y) will return the average value of y.