3

Question 1

1/0 and -1/0 in R is?

Answer 1

Infinity, -infinity

Question 2

0/0 in R is?

Answer 2

Not a number

Question 3

How to get two strings and put them together as one string?

Answer 3

paste(x,y,z)

Question 4

How do you paste with each string being separated by another?

Answer 4

paste(x,y,z, sep = “string”),

xstringystringz

Question 5

Function to prompt the user for a value?

Answer 5

value <- readline(“Prompt Text”)

Question 6

How to convert string into a numeric value?

Answer 6

as.numeric(x)

Question 7

If you use the readline() function, the answer of the prompt will always be?

Answer 7

A string, never a numeric value.