Here are some projects I've done to learn various tools and skills!
Twitter Statistics

Data mining, cleaning and visualization
of tweets with keywords, trending topics, and selected streamed
tweets
See the code!
Python
Twitter APIs
MapQuest Geocoding API
MongoDB
JSON
Linear Regression

Time series analysis and
forecasting for average temperatures, house price predictions with
machine learning and multiple linear regression
See the code!
Python
Pandas
Matplotlib
Scikit-learn
SciPy
MNIST Digits

Classification of handwritten digits using
k-nearest neighbours algorithm, dimensionality reduction using TSNE
estimator, CNN using probabilistic classification
See the code!
Python
Keras
TensorFlow
TensorBoard
Scikit-learn
Basic Speech Translator

A basic translator that receives audio
input and plays back audio input
See the code!
Python
IBM Watson services
Watson Studio