Q. _________ package provides basic functionalities in R environment like arithmetic calculations, input/output.

View solution

Q. Write a function to extract the first name in the string “Mrs. Jake Luther”?

View solution

Q. ________ function generates “n” normal random numbers based on the mean and standard deviation arguments passed to the function.

View solution

Q. What will be the output of runif()?

View solution

Q. Write the syntax to set the path of the current working directory in R environment?

View solution

Q. Which function is used to create a histogram for visualisation in R programming language?

View solution

Q. Which function helps you perform sorting in R language?

View solution

Q. The current user defined objects like lists, vectors, etc. is referred to as __________ in the R language.

View solution

Q. A ________________ in R programming language can also contain numeric and alphabets along with special characters like dot and underline.

View solution

Q. ___________ function gives an error message if the desired package cannot be loaded.

View solution

Q. ________ function is usually used inside another function and throws a warning whenever a particular package is not found.

View solution

Q. How will you check if an element is present in a vector?

View solution

Q. __________ function takes various parameters like formula, data, subset, labels, etc.

View solution

Q. A matrix of scatterplots can be produced using _________ function.

View solution

Q. ____________ package in R language provides various options for re-randomization and permutations based on statistical tests.

View solution

Q. Which function is used to select variables and observations from a given dataset?

View solution

Q. ____________ function can be used to select the random sample of size ‘n’ from a huge dataset.

View solution

Q. ______________ function will measure the probability of the binary response variable in R language.

View solution

Q. ______________ measures the probability of the binary response variable in R language.

View solution

Q. If the function in a console is.matrix(X) returns true then X can be considered as a _______

View solution