- Matrix
- System of Linear Equations
- Linear Algebra Geometric Approach
- Matrix Decomposition
- Probability
- Bayesian Theorem
- Probability Density Function
- Mean / Variance
- Continuous Distribution
- Discrete Distribution
- Bayesian Distribution
- Conditional Joint Probability
- Covariance / Covariance Coefficient
- Test Statistics
- Most Likelihood Estimation
- Ordinary Least Square Regression Analysis
- Multivariable Regression
- Categorical Data Analysis
- ANOVA / R Square
- PCA
- Regularization
- Logistic Regression
- Linear Discriminant Analysis
- Naive Bayesian
- Entropy
- Decision Tree
- Support Vector Machine
- Ensemble / Boosting Method
- K-means Clustering
- Affinity Propagation
- Hierarchical Clustering
- Perceptron
- Neural Network
- Convolutional Neural Network
- Recurrent Neural Network
- Generative Adversarial Network
- syntax, function, class, module, debug
- Data Analysis Packages
- numpy
- pandas
- matplotlib
- Web Crawling
- REST API
- Slack Chat-Bot
- recommendation system
- SQL : MySQL
- NoSQL : MongoDB
- Amazon Web Service EC2
- FTP : FileZilla
- crontab / xvfb
- HTML
- CSS
- JavaScript