Airquality Data is a data set in base R$.$ In this problem, you will examine the airquality data, which contains the daily air quality measurements in New York from May to September $1973.$ Type data$($airquality$)$ to load the data to your R$\text{'}$s work space. You can type View$($airquality$)$ to take a look at the data. a$.$ Type class$($airquality$)$ to find out the class of the object airquality. airquality is Airquality Data is a data set in base R$.$ In this problem, you will examine the airquality data, which contains the daily air quality measurements in New York from May to September $1973.$ Type data$($airquality$)$ to load the data to your R$\text{'}$s work space. You can type View$($airquality$)$ to take a look at the data. a$.$ Type class$($airquality$)$ to find out the class of the object airquality. airquality is a matrix. a numeric vector. an integer vector. a data frame.