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)
Autotrader Webscraping (R)