Machine Learning (Python/R)

Kaggle Titanic (Python)
Kaggle House Prices (R)

Excel

Excel Seasonal Forecasting
Excel Webscraping Example
Excel+Access+VBA Cheatsheet

Access

Password Protect Access Tables
Learn SQL using Access
Access SQL using VBA

Applied Analysis

UK Industry Trend Analysis
Fiscal Regime Modelling (Oil)
House Price Analysis (Zoopla)