Asymptotics: The Law of Large Numbers and The Central Limit Theorem

September 10, 2014 3 minute read

总结自 Coursera lecture Statistical Inference section 07 Asymptotics。新的 slide 省略了部分推导过程，最好同时参考下旧的 slide。

R PCA Example

September 9, 2014 2 minute read

Bernoulli vs Multinoulli (Categorical) vs Binomial vs Multinomial / Gaussian / Poisson Distributions

September 9, 2014 6 minute read

参考：

Conditional Probability

September 8, 2014 4 minute read

总结自 Coursera lecture Statistical Inference section 03 Conditional probability。

Probability

September 7, 2014 4 minute read

总结自 Coursera lecture Statistical Inference section 02 Probability。

Machine Learning: Dimensionality Reduction

September 6, 2014 4 minute read

1. Motivation

Covariance and Correlation

September 6, 2014 1 minute read

0. Symbols

Moment, Expectation, Variance, Skewness and Kurtosis

September 4, 2014 3 minute read

0. Dictionary

R Exploratory Data Analysis: Air Pollution Case Study

August 28, 2014 5 minute read

对 Air Pollution Case Study 的总结。

R: Saving, Loading and Removing in-memory Data

August 12, 2014 less than 1 minute read

Saving R Data