Merge remote-tracking branch 'origin/master' into nnja_dev

notebooks/Question1.ipynb

notebooks/Question1.md

notebooks/Question3b.py

notebooks/Question4.py

notebooks/Question5.py

notebooks/Question6.py

notebooks/question1_perf_metrics.ipynb

notebooks/question1_viz.ipynb

notebooks/question1_viz.md

notebooks/question2.ipynb

notebooks/question2.md

notebooks/question2_perf_metrics.ipynb

notebooks/question2_viz.ipynb

notebooks/question2_viz.md

notebooks/question3.ipynb

notebooks/question3.md

notebooks/question3_perf_metrics.ipynb

notebooks/question7.ipynb

notebooks/question7.md

notebooks/question7_perf_metrics.ipynb