These are practice notebooks from the Datacamp data science courses
Supervised Learning with scikit-learn: https://www.datacamp.com/courses/supervised-learning-with-scikit-learn
Unsupervised Learning in Python: https://www.datacamp.com/courses/unsupervised-learning-in-python
Deep Learning in Python: https://www.datacamp.com/courses/deep-learning-in-python
A Network Analysis of Game of Thrones: https://www.datacamp.com/projects/76