StackOverflow https://stackoverflow.com/questions/19639503/simple-visualisation-of-data-using-matplotlib-a-beginner-struggling-to-graph-da

StackOverflow https://stackoverflow.com/questions/22138800/reading-data-from-csv-using-pandas

StackOverflow https://stackoverflow.com/questions/22139189/joining-columns-in-pandas-incorrectly

StackOverflow https://stackoverflow.com/questions/22261858/dealing-with-string-values-while-using-numpy-arrays-of-integer-values