Revert "Forgot to add figures to repo"

This reverts commit 73fe5c675a2db951b302bfd68524bf7a56094d46.
project 1 initial commit

code: plot#.R
picture: plot#.png
number # in 1,2,3,4
Revert "Revert "Forgot to add figures to repo""

This reverts commit 57342aa61a849734d22ab6d88653aea4e23a8034.