Data Mining with Excel 2010 and PowerPivot

Data Miningwith Excel 2010and PowerPivotMark Tabladillo Ph.D.http://marktab.netSeptember 18, 2010

Data Mining Definitions• Data mining• Machine Learning• Data mining algorithms -- typically use estimation or optimization to achieve results (as opposed to only calculations). © 2010 Mark Tabladillo Ph.D. 9

Data Mining Tasks• Supervised • Answer known, what is correlated?• Unsupervised • Answer unknown (unspecified), what are the groups?• Forecasting © 2010 Mark Tabladillo Ph.D. • Given a trend, what is next? Value Slide 10

Data Mining Add-In for Excel• Requires Analysis Services instance• Version 10.00.2531.00 (April 2009)• 32-Bit Add-In• Microsoft .NET Framework 2.0 (32-bit)• Office 2007 (Professional, Professional Plus, Ultimate, © 2010 Mark Tabladillo Ph.D. Enterprise)• SQL Server Enterprise or Standard (or Developer) 2008 or higher 11

The Analyze Tab Menu Option Data Mining Algorithm Analyze Key Influencers Naïve Bayes © 2010 Mark Tabladillo Ph.D. Detect Categories Clustering Fill from Example Logistic Regression Forecast Time Series Highlight Exceptions Clustering Scenario Analysis (Goal Seek) Logistic Regression Scenario Analysis (What If) Logistic Regression Prediction Calculator Logistic Regression 13 Shopping Basket Analysis Association Rules

Data Mining CapacitiesSQL Server 2008 R2 Analysis Services Maximum sizes/numbersObjectMaximum data mining models per 2^31-1 = 2,147,483,647structureMaximum data mining structures per © 2010 Mark Tabladillo Ph.D. 2^31-1 = 2,147,483,647solutionMaximum data mining structures per 2^31-1 = 2,147,483,647Analysis Services databaseMaximum data mining attributes 2^31-1 = 2,147,483,647(variables) per structure Reference: http://www.marktab.net/datamining/index.php/2010/08/01/sql-server- data-mining-capacities-2008-r2/ 16

PowerPivot for Excel• Take advantage of familiar Excel tools and features• Process massive amounts of data in seconds• Load even the largest data sets from virtually any © 2010 Mark Tabladillo Ph.D. source• Use powerful new analytical capabilities, such as Data Analysis Expressions (DAX)• Make the most of multi-core processors and gigabytes of memory 19

PowerPivot for Excel Sources• SQL Server• SQL Azure• Oracle, Teradata, Sybase, Informix, IBM DB2• OLEDB/ODBC © 2010 Mark Tabladillo Ph.D.• Analysis Services (SSAS)• Reporting Services (SSRS)• Excel, Text File 20

Data Mining with Excel 2010 and PowerPivot

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