These are chat archives for FreeCodeCamp/DataScience
discussion on how we can use statistical methods to measure and improve the efficacy of http://freeCodeCamp.com
The training is in python and we will be using the keras library . The material will be available and we can later share it if you decide to give it a go. It is in a container (docker). It is being said to be a large download - I haven't tried.
The problem to solve is the common hand-written digits classifier (https://github.com/sjoerddehaan/keras-tutorials/blob/master/mnist%20with%20keras.ipynb).
To go through some of the questions of the exercise above:
A nice page to check:
Also, for some details about batches and epochs:
Finally for loss (cost) functions and accuracy, please read wikipedia.