Jeff Manville

Refactor code

3

Code should be refactored to include a main() and limit line length to

[article on docstrings](http://www.pythonforbeginners.com/basics/python-docstrings) [PEP 257](https://www.python.org/dev/peps/pep-0257/)

ValueError: iterator is too large when running ex7_pca.py on raspberrypi

1

ex7_pca throws a _ValueError: iterator is too large_ at line 141,when running the program on a rapsberry pi 3. The current memory limitations and the 32 bit OS makes the...

rewrite readme to be more helpful

http://www.ecma-international.org/ecma-262/10.0/index.html