The Machine Learning and Statistics Tutorials:

The following is the tutorials  I collected from Web. 

1. Conjugate Gradient Method

2. Expectation-Maximization

3. Statistical Tests

4. VC Dimension

5. Cross-Validation  

6.Statistics Concepts

7.Principal Components Analysis (PCA)

8. Probabilistic Topic Models      by  Steyvers and Griffiths  

9. Latent Semantic Analysis    by Alex Thomo

10. Conditional Random Field     by Charles Elkan