R Lectures Week1

Question 1

Installin a package

Answer 1

install.packages(“name of package”)

Question 2

show only the top/bottom of data set

Answer 2

head(name of data)

tail(name of data)

Question 3

make a series of numbers 1 - 100

Answer 3

print(1:100)

: gives you numbers in a sequences

Question 4

find out what a function does

Answer 4

? function ( ?:) brings up info about :

Question 5

print(“He said, “I really want to go to the movies!””)

only the he said is being read as part of the text. how to fix?

Answer 5

\ gives instructions that the “ is just a word

print(“He said, "I really want to go to the movies!"”)

Question 6

print(“He said, "I really want to go to the movies!"”)

how to see in the console as how it reads as text

Answer 6

cat(“He said, "I really want to go to the movies!"”)

cat: Outputs the objects, concatenating the representations. cat performs much less conversion than print

Question 7

ask for an input to store

show that input

Answer 7

vector