6/10/2014 Advanced Visualization Division Advanced Visualization Division ������������� ��������� �������������� Featuring REU Site Collaborative Vetria L. Byrd, PhD Data Visualization Advanced Visualization, Director Applications REU Coordinator Visualization Scientist June 10, 2014 ����������������� Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Advanced Visualization Division Advanced Visualization Division Tableau's data visualization software is provided through the Tableau for Teaching program. http://www.tableausoftware.com/data-visualization-software Clemson Computing and Information Technology Center of Excellence in Next Generation Computing 1
6/10/2014 Advanced Visualization Division Advanced Visualization Division Advanced Visualization Division !"��"�� “Enable researchers to gain keen insight into their data by equipping them with tools and resources that will allow for visualizing the expected, and discovering the unexpected in their data.” �������� Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Agenda Advanced Visualization Division • Introduction to Visualization (High level) – Purpose – Process • Visualization Applications • Introducing Tableau • Q&A 2
6/10/2014 Advanced Visualization Division INTRODUCTION Advanced Visualization Division Advanced Visualization Division What does visualization mean? ����#$���"� #� ����"�"��� Dictionary.com Clemson Computing and Information Technology Center of Excellence in Next Generation Computing 3
6/10/2014 Advanced Visualization Division Advanced Visualization Division What is the purpose of visualization? Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Advanced Visualization Division “The purpose of visualization is “ insight” , not pictures.” ~Ben Shneiderman REU Boot Camp July 08, 2013 Lecture 4
6/10/2014 Advanced Visualization Division in•sight [in-sahyt] Dictionary.com An instance of apprehending the true nature of a thing, especially through intuitive understanding. Advanced Visualization Division in•sight [in-sahyt] Dictionary.com An instance of apprehending the true nature of a thing, especially through intuitive understanding. An understanding of relationships that sheds light on or helps solve a problem. 5
6/10/2014 Advanced Visualization Division “The greatest value of a picture is when it forces us to notice what we never expected to see.” ~ John Tukey, 1977 Advanced Visualization Division Advanced Visualization Division Why is “insight” important? Clemson Computing and Information Technology Center of Excellence in Next Generation Computing 6
6/10/2014 Advanced Visualization Division Advanced Visualization Division Why is “insight” important? • Analysis of Data • Explanation • Discovery • Decision Making • Tells a story Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Advanced Visualization Division Basics of Visualization • The process of visualization is taking raw data and converting it to a form that is viewable and understandable to humans. Clemson Computing and Information Technology Center of Excellence in Next Generation Computing 7
6/10/2014 Advanced Visualization Division Basics of Visualization • The process of visualization is taking raw data and converting it to a form that is viewable and understandable to humans. Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Advanced Visualization Division Basics of Visualization • The process of visualization is taking raw data and converting it to a form that is viewable and understandable to humans. Created using Gephi Clemson Computing and Information Technology Center of Excellence in Next Generation Computing 8
6/10/2014 Advanced Visualization Division Visualization Applications Input Data Research Fields Biological � BioVis Data Non- � InfoVis Numerical Data VISUALIZATION � GeoVis Geospatial Data � SciVis Simulated, 3D Phenomena Advanced Visualization Division Information Visualization • Emerged from Research in – Human-Computer Interaction – Computer Science – Graphics – Visual Design – Psychology – Business Methods 9
6/10/2014 Advanced Visualization Division Information Visualization • Often applied to data that is not generated by scientific inquiry – Non-numerical information – Survey data – Social media – Test scores – Shopping habits – Etc., Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Advanced Visualization Division Information Visualization • Researchers aim to provide compact graphical presentations and user interfaces – interactively manipulating large numbers of items – possibly extracted from far larger data sets 10
6/10/2014 Beginner’s Guide to Visualization Advanced Visualization Division Information Visualization • Information visualization focused on the creation of approaches for conveying abstract information in intuitive ways. Advanced Visualization Division Advanced Visualization Division Clemson Computing and Information Technology Center of Excellence in Next Generation Computing 11
6/10/2014 Advanced Visualization Division Advanced Visualization Division ��� % http://www.tableausoftware.com Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Advanced Visualization Division Tableau for Macs • Mac version will be released in the next couple weeks. – Once it’s available, students will be able to use the key and landing page (info sent via email) to download it. • http://kb.tableausoftware.com/articles/kno wledgebase/tableau-products-mac 12
6/10/2014 Advanced Visualization Division Products • Tableau Desktop – Fast Analytics • Tableau Server - Collaboration • Tableau Online – Cloud • Tableau Public - WWW Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Opens Data From Advanced Visualization Division Desktop Clemson Computing and Information Technology Center of Excellence in Next Generation Computing 13
6/10/2014 Advanced Visualization Division Advanced Visualization Division Desktop • License Keys • Show Me Feature provided via email • Drag & Drop Technology • Valid for 1 year (June 02, 2015) • Web Offering on Mobile Devices Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Advanced Visualization Division Advanced Visualization Division Clemson Computing and Information Technology Center of Excellence in Next Generation Computing 14
6/10/2014 Advanced Visualization Division Advanced Visualization Division & "�$��� ��' ����������� �"�( http://www.tableausoftware.com Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Advanced Visualization Division CONNECTING TO DATA 15
6/10/2014 Advanced Visualization Division Advanced Visualization Division Don’t see your database format? Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Connect to Data Advanced Visualization Division • In a file • Server – Tableau Data Extract – Tableau Serer – Microsoft Access – IBM DB2 – Microsoft Execl – MapR Hadoop Hive – Text File – Microsoft SQL Server – Import from Workbook – My SQL – Oracle – Salesforce – Google Analytics – Other Data (ODBC) Clemson Computing and Information Technology Center of Excellence in Next Generation Computing 16
6/10/2014 Advanced Visualization Division Connect locally • Excel file – Microsoft Excel • Sample – Superstore Sales (Excel.xls) • Ships with Tableau OR Clemson Computing and Information Technology Center of Excellence in Next Generation Computing Advanced Visualization Division Excel Workbook Connection Step 1: Select an excel workbook Step 2: Select the worksheet (table) to analyze Step 3: Does the data include field names in the first row? Step 4: Give the connection a name for use in Tableau Clemson Computing and Information Technology Center of Excellence in Next Generation Computing 17
6/10/2014 Advanced Visualization Division Data Connection • Connect Live: Connect directly to your data; speed of data source determines performance • Import all data: Import all of your data into Tableau’s data engine • Import some data: select a subset of your data to import Advanced Visualization Division Data Connection • Connect Live: Data is local so .. . – Data updates frequently – Every time you update the data the results show in the visualization • Import all data – Useful when importing big data • Import some data – Useful when importing big data 18
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