https://www.opentechschool.github.io/python-data-intro/core/charts.html

https://pbpython.com/simple-graphing-pandas.html

https://www.datacarpentry.org/python-ecology/02-index-slice-subset

www.stackoverflow.com/questions/34413962/convert-matrix-format-to-column-in-pandas

http://chrisalbon.com/python/pandas_dropping_column_and_rows.html

https://www.gregreda.com/2013/10/26/intro-to-pandas-data-structures/

https://www.kaggle.com/c/titanic/details/getting-started-with-python

http://cs109.github.io/2015/pages/videos.html

http://cs109.github.io/2014/

https://docs.scipy.org/doc/numpy-dev/user/quickstart.html#

http://www.analyticsvidhya.com/blog/2015/04/comprehensive-guide-data-exploration-sas-using-python-numpy-scipy-matplotlib-pandas/#Eleven

https://nbviewer.ipython.org/github/savarin/pyconuk-introtutorial/blob/master/notebooks/Section%201-1%20-%20Filling-in%20Missing%20Values.ipynb

http://www.analyticsvidhya.com/blog/2015/04/comprehensive-guide-data-exploration-sas-using-python-numpy-scipy-matplotlib-pandas/#Eleven

https://nbviewer.ipython.org/github/savarin/pyconuk-introtutorial/blob/master/notebooks/Section%201-1%20-%20Filling-in%20Missing%20Values.ipynb

http://cerasis.com/2015/12/28/logistics-articles/

http://www.supplychain247.com/search/results/search&keywords=customer+care/

http://www.logisticsmgmt.com/

http://www.inboundlogistics.com/cms/article/customer-service-superstars-and-the-winners-are/

http://www.transreporter.com/index.php?Page=2

http://www.logistics-newsroom.com/

http://www.inboundlogistics.com/cms/

http://www.inboundlogistics.com/cms/article/customer-service-superstars-and-the-winners-are/