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  • 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
  • Relaunch!

    The website has been redesigned and relaunched by the good people at Varigence! The new site includes learning paths and tests. It’s almost as awesome as Biml. Go check it out today! :{> Bonus – check out the new BimlScript commercial!
    Posted to Andy Leonard (Weblog) by andyleonard on October 6, 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
  • Presenting SSIS Data Flow Performance Patterns at Charlotte BI Group 7 Jul!

    I’m honored to present “SSIS Data Flow Performance Patterns” at the Charlotte BI Group 7 Jul 2015! In this session, I discuss Data Flow Task internals and patterns that improve SSIS 2014 Data Flow performance in your data integration enterprise: Incremental Loads, Blob Pyramid, and Type 2 New + Updated Rows. Plus, I tell funny stories (well, I ...
    Posted to Andy Leonard (Weblog) by andyleonard on June 24, 2015
  • So Long, and Thanks for All the Scripts!

    With mixed emotions, I just read The End of an Era – SQLFool scripts are now open-sourced. After two book projects together, I admire Michelle (New Blog | @SQLFool) immensely. More than that, I consider her a friend. It’s exciting to (try to) keep up with all the cool stuff Michelle’s working on, and I am very happy for her. Thanks for all the ...
    Posted to Andy Leonard (Weblog) by andyleonard on June 23, 2015
  • Data Mining Algorithms – Support Vector Machines

    Support vector machines are both, unsupervised and supervised learning models for classification and regression analysis (supervised) and for anomaly detection (unsupervised). Given a set of training examples, each marked as belonging to one of categories, an SVM training algorithm builds a model that assigns new examples into one category. An SVM ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on June 23, 2015
  • Data Mining Algorithms – Principal Component Analysis

    Principal component analysis (PCA) is a technique used to emphasize the majority of the variation and bring out strong patterns in a dataset. It is often used to make data easy to explore and visualize. It is closely connected to eigenvectors and eigenvalues. A short definition of the algorithm: PCA uses an orthogonal transformation to convert ...
    Posted to Dejan Sarka (Weblog) by Dejan Sarka on June 2, 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
  • Great Scott! Linchpin People is Going… Back to SQL Saturday Atlanta!

    SQL Saturday #392 is happening THIS SATURDAY! I’m looking forward to returning to Atlanta, where almost everyone speaks without an accent. The schedule looks awesome! I’m excited that several Linchpins were selected to present because this means we’ll get to hang out in person. I’m also excited to see so many friends from #SQLFamily, too, ...
    Posted to Andy Leonard (Weblog) by andyleonard on May 14, 2015
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