Category Archives: Open-source

Introduction to the Apriori algorithm (with Java code)

Posted on 2017-08-01 by Philippe Fournier-Viger

This blog post provides an introduction to the Apriori algorithm, a classic data mining algorithm for the problem of frequent itemset mining. Although Apriori was introduced in 1993, more than 20 years ago, Apriori remains one of the most important data mining algorithms, not … Continue reading →

Posted in Big data, Data Mining, Data science, Open-source | Tagged , , , , , | 10 Comments

Introduction to clustering: the K-Means algorithm (with Java code)

Posted on 2016-12-27 by Philippe Fournier-Viger

In this blog post, I will introduce the popular data mining task of clustering (also called cluster analysis).  I will explain what is the goal of clustering, and then introduce the popular K-Means algorithm with an example. Moreover, I will briefly explain how an open-source Java implementation of … Continue reading →

Posted in Big data, Data Mining, Data science, Open-source | Tagged , , , , , , | 17 Comments

Introduction to time series mining with SPMF

Posted on 2016-12-18 by Philippe Fournier-Viger

This blog post briefly explain how time series data mining can be performed with the Java open-source data mining library SPMF (v.2.06).  It first explain what is a time series and then discuss how data mining can be performed on time series. What is … Continue reading →

Posted in Big data, Data Mining, Open-source, Time series | Tagged , , , , , , , , | 2 Comments

Discovering hidden patterns in texts using SPMF

Posted on 2016-09-17 by Philippe Fournier-Viger

This tutorial will explain how to analyze text documents to discover complex and hidden relationships between words.  We will illustrate this with a Sherlock Holmes novel. Moreover we will explain how hidden patterns in text can be used to recognize the author of a … Continue reading →

Posted in Big data, Data Mining, Data science, Open-source | 10 Comments

An introduction to periodic pattern mining

Posted on 2016-07-14 by Philippe Fournier-Viger

In this blog post I will give an introduction to the discovery of periodic patterns in data. Mining periodic patterns is an important data mining task as patterns may periodically appear in all kinds of data, and it may be desirable to find them … Continue reading →

Posted in Big data, Data Mining, Data science, Open-source, Research, Utility Mining | 3 Comments

SPMF data mining library 0.98: new pattern visualization window

Posted on 2016-01-14 by Philippe Fournier-Viger

This blog post is to let you know that I have just published a new version of the SPMF open-source Java data mining library (0.98) that offers a new window for visualizing the patterns found by data mining algorithms. This … Continue reading →

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200,000 visitors on the SPMF website!

Posted on 2015-09-29 by Philippe Fournier-Viger

Today, I will just write a short blog post to mention that the SPMF open-source data mining library has recently passed the milestone of 200,000 visitors.  This is possible thanks to the support of all users of SPMF, and the contributors … Continue reading →

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