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Answers to the exercises are available here.

Exercise 1

Consider two vectors, `x, y`
`x=c(4,6,5,7,10,9,4,15)`
`y=c(0,10,1,8,2,3,4,1)`

What is the value of: `x*y`

Exercise 2

Consider two vectors, `a, b`

`a=c(1,2,4,5,6)`
`b=c(3,2,4,1,9)`
What is the value of: `cbind(a,b)`

Exercise 3

Consider two vectors, `a, b`

`a=c(1,5,4,3,6)`
`b=c(3,5,2,1,9)`
What is the value of: `a<=b`

Exercise 4

Consider two vectors, `a, b`

`a=c(10,2,4,15)`
`b=c(3,12,4,11)`
What is the value of: `rbind(a,b)`

Exercise 5

If `x=c(1:12)`
What is the value of: `dim(x)`
What is the value of: `length(x)`

Exercise 6

If `a=c(12:5)`
What is the value of: `is.numeric(a)`

Exercise 7

Consider two vectors, `x, y`

`x=c(12:4)`
`y=c(0,1,2,0,1,2,0,1,2)`
What is the value of: `which(!is.finite(x/y))`

Exercise 8

Consider two vectors, `x, y`

` x=letters[1:10]`
`y=letters[15:24]`
What is the value of: `x<y`

Exercise 9

If `x=c('blue','red','green','yellow')`
What is the value of: `is.character(x)`

Exercise 10

If `x=c('blue',10,'green',20)`
What is the value of: `is.character(x)`

Want to practice vectors a bit more? We have more exercise sets on this topic here.