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  • DevWeek 2016 BI in SQL Server 2016 Workshop Setup

    I got some questions about virtual machine / notebook setup for my Business Intelligence in SQL Server 2016 DevWeek post-conference workshop. I am writing this blog because I want to spread this information as quickly as possible. There will be no labs during the seminar, no time for this. However, I will make all of the code available. ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on April 15, 2016
  • Data Mining Algorithms – Neural Network

    A neural network is a powerful data modeling tool that is able to capture and represent complex input/output relationships. The motivation for the development of neural network technology stemmed from the desire to develop an artificial system that could perform "intelligent" tasks similar to those performed by the human brain. Neural ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on January 26, 2016
  • Precon - SSIS Design Patterns and BIML: A Day of Intelligent Data Integration–8 Jan 2016, Alpharetta Georgia

            I’m excited to announce I will be delivering a precon 8 Jan 2016 in Alpharetta Georgia for SQL Saturday 477 – Atlanta BI Edition titled SSIS Design Patterns and BIML: A Day of Intelligent Data Integration! This precon is all about DILM (Data integration Lifecycle Management). Abstract: SSIS Design ...
    Posted to Andy Leonard (Weblog) by andyleonard on November 12, 2015
  • Data Mining Algorithms – Decision Trees

    Decision Trees is a directed technique. Your target variable is the one that holds information about a particular decision, divided into a few discrete and broad categories (yes / no; liked / partially liked / disliked, etc.). You are trying to explain this decision using other gleaned information saved in other variables (demographic data, ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on October 29, 2015
  • Data Mining Algorithms – Naive Bayes

    I am continuing with my data mining and machine learning algorithms series. Naive Bayes is a nice algorithm for classification and prediction. It calculates probabilities for each possible state of the input attribute, given each state of the predictable attribute, which can later be used to predict an outcome of the predicted attribute based on ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on September 9, 2015
  • 24 Hours of PASS (June 2015)

    The most important free on-line event on SQL Server and Business Intelligence is back! The 24 Hours of PASS is coming back with a great edition that will provide best practices, expert tips, and demos, from new and up-and-coming Speakers. Don't take commitments on 24 and 25 of June 2015. Register now at this link, it's free! No ...
    Posted to Sergio Govoni (Weblog) by Sergio Govoni on May 27, 2015
  • Data Mining Algorithms – K-Means Clustering

    Hierarchical clustering could be very useful because it is easy to see the optimal number of clusters in a dendrogram and because the dendrogram visualizes the clusters and the process of building of that clusters. However, hierarchical methods don’t scale well. Just imagine how cluttered a dendrogram would be if 10,000 cases would be shown on ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on April 17, 2015
  • Data Mining Algorithms – Hierarchical Clustering

    Clustering is the process of grouping the data into classes or clusters so that objects within a cluster have high similarity in comparison to one another, but are very dissimilar to objects in other clusters. Dissimilarities are assessed based on the attribute values describing the objects. There are a large number of clustering algorithms. The ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on March 28, 2015
  • Data Mining Algorithms – an Introduction

    Data mining is the most advanced part of business intelligence. With statistical and other mathematical algorithms, you can automatically discover patterns and rules in your data that are hard to notice with on-line analytical processing and reporting. However, you need to thoroughly understand how the data mining algorithms work in order to ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on February 19, 2015
  • PASS SQL Saturday #356 Slovenia Pre-Conference Seminars

    I am proud and glad I can announce two top pre-conference seminars at the PASS SQL Saturday #356 Slovenia conference. The speakers and the seminars titles are: Stacia Misner - Power Up Your Data with Excel and Power BI Kevin Boles - Tune Like A Guru! Both seminars will take place on Friday, December 12th, in the classrooms of our sponsor ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on September 29, 2014
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