Question 1

1. Which of the following commands is not contained in the base R installation?

   		read.delim()
   		read.csv()
   		read.xlsx()
   		read.table()

Question 2

1. Which of the following commands in R would select the element in the 5th row and 3rd column of the data frame mydata?

   		mydata[5,3]
   		mydata[3,5]
   		mydata[3][5]
   		mydata[5][3]