_____ function is difficult to implement

What is the output of the code: print "58 days".to_i

Which of the following is a tool for checking normality?

Guess the output.

x <- c("a", "b", "c")
> as.numeric(x)

Which of the following can be used for storing the data for the long-term?

Which function can be used to determine the names assigned to a list?

The loglm() function is used to create log-linear models in the R language.

The associated R function dlogis(x, location = 0, scale = 1) is for which distribution?

The associated R function is dweibull(x, shape, scale = 1) is for _________ distribution. 

Which of the following statements finds cases with no missing values?