plot3.r for project 1 - exploring data - John hopkins

plot3.r for project 1 - exploring data - John hopkins
plot3.png for project 1 - exploring data - John hopkins

plot3.png for project 1 - exploring data - John hopkins
Revert "plot3.r for project 1 - exploring data - John hopkins"

This reverts commit fd3093a8e9c36785602215d4c88c127c4296fcc3.
Revert "Revert "plot3.r for project 1 - exploring data - John hopkins""

This reverts commit a1b841c942119112861ef9a7649f3a99273c286c.