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Note on Fowler Nosql Distilled and SJSU CMPE 281 Course

for Cloud Technology course – 2018 Fall The Fowler’s “NoSql Distilled” book is a good tutorial for anyone want to step into the new “polyglot persistence” world. Before this course,Read More

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A note for the eigenvector used in the Markov Steady Status: using P transpose or P to calculate eigenvector

A note for the eigenvector used in the Markov Steady Status: using or P to calculate eigenvector? Last night, a classmate of my friend asks a good question about Read More

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SVM Manual Maximization Procedure

Start from idiot example: 4 sample data: +(1,0), +(2,0), -(-1,0),-(-2,0), what is the SVM boundary and support vectors? It is easy to know that the most closest positive (+) example Read More

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A Simple Implementation of MVC Framework

Most of us uses lots of Java MVC Framework in the software development. The famous will be Spring. Maybe you are scared away to think to implement yours when you Read More

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Complete and Simple PCA SVD Tutorial Note

Ref: http://setosa.io/ev/principal-component-analysis/ https://matthew-brett.github.io/teaching/pca_introduction.html https://blog.statsbot.co/singular-value-decomposition-tutorial-52c695315254 http://www.bluebit.gr/matrix-calculator/calculate.aspx PCA is the major method to reduce features/variables before you train your data in the machine learning. It uses the top K most variance Read More

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Junction Tree local consistency and global consistency

This note is to describe the Junction Tree local consistency and global consistency (text book: P109, Example 6.1) Reference: pgm_Princeton_COS513 Foundations of Probabilistic Modelinglecture7.pdf gouws_python_2010: a master thesis on how Read More

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Likelihood.vs.Probablity

Reference LikelyhoodFunction_The world is a complex place.pdf Example Likelihood: when an event happened (for example, Heads=3), what is the probability of each possible model parameter. Probability: If I know the Read More

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Build Junction Tree for BN.docx

The note is to generate the Junction Tree step by step, with two examples, one is simple BN, another is complex BN. Reference: PGM_CS 731 Advanced methods in artificial intelligence,Read More

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TensorFlow 2. Shadow CNN example for MNIST data

The practice is to understand how Tensorflow applied to shadow NN in MNIST data. The practice is from Big Data University lectures. Reference: Support_Vector_Machines.html (Coursera Machine Learning Course) Big Data Read More

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TensorFlow 101C. Image Texture

This Note is for image texture explanation: Reference https://courses.cs.washington.edu/courses/cse576/book/ch7.pdf (computer vision) Why Texture Texture gives us information about the spatial arrangement of the colors or intensities in an image. Why?Read More

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