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Author Archives: Admin

programming all time and taking a bread for the lunch hahaha... When you are engaging your work, nobody can attract you doing another thing. Otherwise, should should move to other jobs or are not interested in your job enough.

Introduction of Petri Net

Bài này giới thiệu chung về Petri nets. Đó là một loại đồ thị có hướng đặc biệt gồm 6 thành phần cấu tạo. P: set of places T: set of transitions F: set of arcs W: weight function M_o: ...

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Supervised vs. Unsupervised learning

Machine learning algorithms are described as either ‘supervised’ or ‘unsupervised’. The distinction is drawn from how the learner classifies data. In supervised algorithms, the classes are predetermined. These classes can be conceived of as a finite set, previously arrived at ...

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Categorical Clustering vs Topical Clustering

In this post, I will give you some useful references about these two types of clustering methods: categorical vs topical clustering. Categorical Clustering: ROCK algorithm http://rss.acs.unt.edu/Rdoc/library/cba/html/rockCluster.html http://en.wikibooks.org/wiki/Data_Mining_Algorithms_In_R/Clustering/RockCluster Topical Clustering: Sahimi (1996), Applying the Multiple Cause Mixture Model to Text Categorization, ...

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Cluster Analysis in R

R has an amazing variety of functions for cluster analysis. In this section, I will describe three of the many approaches: hierarchical agglomeration  partitioning, and model based. While there are no best solutions for the problem of determining the number of clusters to extract, several ...

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Data Clustering

http://jamesmccaffrey.wordpress.com/2013/05/06/data-clustering-using-category-utility/ http://msdn.microsoft.com/en-us/magazine/dn198247.aspx

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Cluster Analysis

Statistica http://www.statsoft.com/textbook/cluster-analysis/

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Force directed Graph Layout

http://www.mathiasbader.de/studium/bioinformatics/ Thử cái này vào dự án của mình xem sao, thằng em này nó share cả code nè 🙂

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Loạt bài giảng về Bioinformatics


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stunnel for mysql – server and client

Tạo một kênh giao tiếp mã hóa giữa mysql server và mysql client là cẩn thiết. Một hướng dẫn ở đây, bạn có thể tham khảo.

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How to Add a Subscribe By Email Widget to Your Blog

subscribe via email

Hôm nay sửa sang blog sử dụng WordPress và đưa lên host. Thế là từ giã anh http://nvntung.wordpress.com và thay vào đó là http://it4bus.vn/blog. Hi vọng nhà mới kích thích đam mê viết lách 🙂 Mở đầu là cách thêm ...

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