#loads the data set called ChickWeight
#making it an object that we can use in 
#our workspace

data(ChickWeight)

#I am going to ask you to think about
#what the attach() function does
#as an exercise
attach(ChickWeight)

#creates a histogram based on default settings
hist(x=weight)

#creates a slightly fancier histogram
hist(x=weight,breaks=15,freq=FALSE, col="blue", main="Histogram of Weights")

#don't run this piece of code until instructed!
detach(ChickWeight)