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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 Read More... Posted Friday, April 15, 2016 9:02 AM by Dejan Sarka | 0 Comments Filed under: Data Mining, business intelligence, data analysis, sql server, Data Quality, master data services, SSRS, Conference, machine learning, R, Azure ML, DevWeek

• 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, Read More... Posted Tuesday, June 23, 2015 12:33 PM by Dejan Sarka | 0 Comments Filed under: Data Mining, business intelligence, statistics, data analysis, Data Quality, supervised methods, unsupervised method, continuous learning, fraud detection, Azure ML, SVM, anomaly detection

• Data Mining Algorithms – EM Clustering

  With the K-Means algorithm, each object is assigned to exactly one cluster. It is assigned to this cluster with a probability equal to 1.0. It is assigned to all other clusters with a probability equal to 0.0. This is hard clustering. Instead of distance, Read More... Posted Tuesday, May 12, 2015 5:30 PM by Dejan Sarka | 2 Comments Filed under: Data Mining, data analysis, sql server, Data Quality, data profiling, unsupervised method, continuous learning, fraud detection, machine learning, R, clustering, Azure ML

• Data Quality and Master Data Management Resources

  Many companies or organizations do regular data cleansing. When you cleanse the data, the data quality goes up to some higher level. The data quality level is determined by the amount of work invested in the cleansing. As time passes, the data quality Read More... Posted Monday, October 14, 2013 6:52 PM by Dejan Sarka | 1 Comments Filed under: sql server, Data Quality, data quality services, master data management, master data services, data profiling, training