To run notebook:
- open https://mybinder.org/v2/gh/marisly/stats/master
- Wait untill the "Starting repository: marisly/stats/master" finishes
- Upload file with poll results in the same format as mShop PI 3 Health Check (Responses) - Form responses 1 (Final).csv
- Open charts.ipynb
- Correct ln[2] - and write filename of the new CSV file.
- Click Cell Menu > Run All
All charts will load in a minute
All png images written to the folder: \PI3