How many standard methods exist for normalizing data?

 How many packages does the CRAN package ecosystem have?

What is the square root of the variance?

Which variable in the following R code is free?

> f <- function(x, y) {
+            x^2 + y / z
+ }

R comes with a profiler to help you optimize your code and improve its performance.

What is the purpose of the readlines() function in programming?

Which of the following code will drop the nth column?

What is the full form of MGF?

Which of the following would read 100 rows?

Which of the following statements about R's random number generation capabilities is correct?