Q. Which of the following is apply function in R?

View solution

Q. Point out the correct statement?

View solution

Q. Functions are defined using the _________ directive and are stored as R objects.

View solution

Q. Point out the wrong statement?

View solution

Q. Which of the following R code will print “Hello, world!”?

View solution

Q. Point out the correct statement?

View solution

Q. The __________ function returns a list of all the formal arguments of a function.

View solution

Q. Point out the wrong statement?

View solution

Q. You can check to see whether an R object is NULL with the _________ function.

View solution

Q. Which of the following code will print NULL?

View solution

Q. R Commander is used to ___________ in R.

View solution

Q. Two vectors M and N are defined as M <- c(3, 2, 4) and N <- c(1, 2). What will be the output of vector Z that is defined as Z <- M*N.

View solution

Q. How missing values and impossible values are represented in R language?

View solution

Q. CRAN package ecosystem has more than ______ packages.

View solution

Q. Which function in R language is used to find out whether the means of 2 groups are equal to each other or not?

View solution

Q. __________ is the best way for communicating the results of data analysis using the R language.

View solution

Q. How many types of data structures does R language have?

View solution

Q. __________ is the easiest method for reshaping the data before analysis.

View solution

Q. ___________ function is used to apply an expression for a given dataset.

View solution

Q. __________ package is used to speed up data frame management code.

View solution