1. PASS Chapter & Community News August 2015 September 8, Meeting – SQL Server UG: Dan Guzman - Indexing Strategies Kim Tessereau, Clayton Hoyt - AlwaysOnAvailability Groups Lunch Sponsor Preferred Resources

2. Today’s Topics Sponsored by Covenant Tech Partners Data Visualization: An Introduction New Microsoft Reporting Features Microsoft Reporting Choices: Power BI, DataZen, Power View, and SSRS

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4. DATA VISUALIZATION INTRODUCTION

5. Visualization Aids Decisions Visualization Basics Perceptual Elements, the work of Stephen Few Models and Information Data Visualization as a tool for causality (…Data Science) The work of Edward Tufte

6. Stephen Few’s Guidelines Simple: 2 dimensional objects Lines: patterns across a range Multiple visualizations vs. single Filter Data

7. Doing it Wrong

10. Stephen Few’s Guidelines: Remix Numbers hid patterns Simple Lines Multiple visualizations vs. single Filter

11. Edward Tufte’s Guidelines (towards data science) Document source and characteristics of data Aggregate Carefully! Causality especially quantified alternate causes and outliers Comparison (or control group) Multi-dimensions Heat Map—a multi-dimension example

12. Geo-Spatial Cholera Deaths

13. Challenger Explosion: Rocket Company Data 1/1/201511111111Besigtest2/1/2015N1/1/2015NULL5/1/2015 6/1/2016 1/1/201511111111Besigtest2/1/2015N1/1/201505/1/2015 6/1/2016 1/1/201511111111Besigtest2/1/2015N1/1/201515/1/2015 6/1/2016 1/1/201511111111Besigtest2/1/2015N1/1/2015105/1/2015 6/1/2016 1/1/201511111111Besigtest2/1/2015N1/1/201505/1/2015 6/1/2016 1/1/201511111111Besigtest2/1/2015N1/1/201514.325/1/2015 6/1/2016 1/1/190011111111Besigtest2/1/2015N1/1/201514.325/1/2015 6/1/2016 1/1/201511111111Besigtest2/1/2015N1/1/201514.325/1/2015 6/1/2016

14. Post-Explosion Challenger Data

15. HEAT MAP

16. Deeper Dives John Tukey "Exploratory Data Analysis"Exploratory Data Analysis jackknife estimation box plot median-median line an easy version of linear regressionlinear regression projection pursuit Hans Rosling Leland Wilkinson The Grammar of Graphics Hadley Wickham ggplot & Chief Scientist at Rstudio