Create barchart, stacked barchart, scatterplot (add a regression line), plot (of some timeseries, or choose something else), plot with smooth curve, us- ing at least three different datasets from the ones that come included in R in the datasets package. In order to make your search easier, you can go to: https://stat.ethz.ch/R-manual/R-devel/library/datasets/html/00Index.html. Submit the .R code files.