Gaussian Mixture Model
Flexible unsupervised learning for density estimation, clustering and likelihood optimization. Read more 
Support Vector Machine
Classify nonlinear data using SVM without programming. Read more 
Analytic Hierarchy Process
Analytic Hierarchy Process (AHP) is a famous method for multi criteria decision making analysis. Read more 
Market Basket Analysis
Learn to discover association rules from transaction data of a store. Read More

Decision Tree
Learn step by step how to use and generate a popular classifier that does not require any knowledge or parameter setting.

Hierarchical Clustering
Step by step example on how to compute hierarchical clustering manually and how to validate the clustering using Cophenetic Correlation Coefficient 
KNearest Neighbor Algorithm
Supervised learning for classification, interpolation and extrapolation in data mining and statistical pattern recognition. 
Q Learning by Example
Pictorial introduction to Reinforcement Learning of Agent in unknown environment. Solving Tower of Hanoi.

KMeans Clustering
Interesting algorithm to partition
your data. Resources to classification analysis, clustering analysis,
data mining

Numerical Excel
Various tutorials to solve analytical problems using MS Excel with and without programming.

Break Event Analysis
Interactive way to optimize your pricing strategy and starts make profit Read more 
EM Algorithm
An iterative procedure to estimate the maximum likelihood of mixture density distribution

Discriminant Analysis
Classical algorithm for pattern recognition and classification analysis.

Bootstrap Sampling
Powerful Monte Carlo method to estimate distribution from sample's statistics.

Digital Root
Discover fascinating mathematical patterns of digital root

Similarity Measurement
Basic knowledge on how to measure similarity and dissimilarity of performance index. Useful for clustering, Machine learning and data mining. Many simple examples.

Recursive Average & Variance
Efficient methods to compute average and variance using recursive formula for real time measurement data 
Feasibility Study
Explain how to perform whatif scenario and sensitivity analysis. Example on economic feasibility study for public transportation system (bus). 
System Dynamic
Introduction to system thinking terminologies such as rate, level, positive and negative feedback loop, causal and stock flow diagram. 
Monte Carlo Simulation
Beginners guide to one of the largest and most important classes of numerical method for computer simulations

Mean and Average
An eye opener to create many means or average beyond the traditional arithmetic, geometric and harmonic means. Include fundamentalrelationship between averages. 
Multiagent System
Development of prototype multi agent simulation using only spreadsheet. Simple example of race of agents. 
Visual
Basic (VB) tutorial
Step by step guide to programming using Visual Basic for beginners 
Prime Factor
Use interactive javascript and MS Excel iteration to compute prime number and prime factors and a lot more

Solving ODE
Practical approach to solve Ordinary Differential Equation numerically using Euler and RungeKutta method 
NonLinear Transformation
Transform nonlinear curves into simple linear regression 
Kernel Regression
Nonlinear curve fitting technique using local kernel only by MS excel without macro 
Linear Regression Model
An introduction to regression model using MS Excel. Learn how to model, find the bestfit model and use graph, functions, matrix and Add Ins to automate the regression. 
Linear Algebra
Understanding vector, matrix, solving linear equations, eigen value, and many more using online interactive programs. 
Data Analysis from Questionnaires
Interactive descriptive statistics and contingency table and chisquare independent test to analyze your data from questionnaire survey 
GIS Tutorial
Introduction to GIS with feature to use Arc GIS (Arc View, Arc Editor or Arc Info). Assumed you know nothing about GIS.

Palindrome
Learn how to test whether a word or a number is a palindrome. Generate and search palindrome. 
Useful Summation & Tricks
This tutorial is made especially for those of you who forget or confuse with the mathematics symbol Sigma that represent summation.

Growth Model
Brief introduction to various basic growth model such as arithmetic , geometric, exponential and logistic growth phenomena using interactive program

Graph Theory
A very gentle introduction to Graph theory in ordinary English using simple diagram of points and arcs.

Difference Equation
Learn very fascinating subject of discrete dynamical system, its solution, behavior, equilibrium or critical value and stability. 
Ginger Bread Man
Do you remember ginger bread man cookies? Learn about Chaos and having fun to produce Ginger Bread Man Cards 
Fractal in Excel
Have fun with Excel to produce fractal shape of Seipinski gasket

Adaptive Machine Learning Algorithm
Histogram based learning formula with memory for educational Monte Calo game and simulation. Numerical example for hand calculation and MS Excel is explained.

Continued Fraction
An introduction to regular continued fraction (finite, infinite and periodic) and its application to convert decimal to fraction, compute Pi and Euler number. 
Generalized Inverse
Solve regression using generalized inverse matrix in MS Excel 
Page Rank
Learn how to compute Google Page Rank algorithm using MS Excel iteration and Matlab. Read more

Quadratic Function
Explore the characteristics of quadratic function and parabola curve 
Learning from Data
Statistical concepts and online programs about central tendency and variation of data. 
LAN Connections Switch
How to automate swicth between LAN connections from static IP address to broadband DHCP 
Queuing Theory
Get frustrated because of congestion and queuing problem? Read this tutorial to solve your unnecessary queuing problems. 
Maximum Likelihood
Wellknown method to estimate the parameter of a distribution 
Mixture Distribution
Blend of independent component distributions. 