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1、Data Visualization: Beyond Traditional Technical ToolsMarch 1-10, 2011, Eugene Sorenson Bloomberg Business Manager, Charts/Graphics 2 Some functions (e.g. FA) provide grids of charts; 3. A G-Chart can be set up to animate through a list of securitiesMany charts vs Overlays 1. Via “Chart Grid”; 2. Ov
2、erlay in GCreating Data Visualization SolutionsCHARTS & GRAPHS TO DATA VISUALIZATION1 4“A novice can slap together a chart in Excel. A techie can throw together a dashboard with shiny dials and gauges. But it takes the combination of a skilled dashboard designer, data analytics expert and a great jo
3、urnalist to transform data into information in a way that generates rapid, actionable insights.”DEMAND FOR DATA VISUALIZATION15Free consumer toolsHost of websites offer free access to basic data visualization toolsDATA IS A DRIVER OF ECONOMIC GROWTH Data Storage capacity doubles every two years Glob
4、al information growth - 60% per year New raw material of business Need new tools to drive insights Information is the “lifeblood“ of most businessesBusiness sector applicationMerrill Lynch, GE Healthcare Division, New York Times and Guardian use visualization to develop advanced knowledgeessential p
5、art of strategypolicies developmentempowermentstructural changesPublic sector applicationUK Department of Communities and Local Government and US Healthcare Reform Committee focus on visualization for building better practicesInformation Management industryIndustry transformation and 10% growth Data
6、 scientists extract valuable information from mountains of dataVISUALIZATION IS THE KEY TO BIG DATA New paradigm: data-centered economy Data visualization can unlock new sources of economic and social value Exponential interest in visualization in the last few years driven by data proliferationNew-b
7、orn data-centered economyGrowth of Visualization as a science over 20 yearsRESEARCH & USE OF DATA VISUALIZATION16Working with Visualization (all types of companies globally):Visualization conferences (IEEE, ACM)Research papersSeveral times a week Several times a month Several times a week DailyIssue
8、s To Consider In Data VisualizationnNarrow Area of Focus 15 cm at 0.5 meters (6 inches at 2 feet) n Widening the area is challengingn Gamers have a wider area of focusn Understanding of Virtual landscape n Eye responds fastest to Movementn Suggests use of animationn Animation must communicate inform
9、ation n Colorn Color used poorly is likely to obscure informationn When used well it can convey useful information nRisk of Information overloadVisualization of Events and WorkflowQuote/StatsAnalyst RschNews StoriesFinancial StmtsPrice ChartsSEC FilingsYahoo Portals dont work! Many separate panels.
10、- Where to look? - How to correlate?Google - Little flags overlap. - Doesnt scale to 100s or 1000s. - Cognitive cross-reference slow.Challenge Answer 2 Questions 1) The price moved - Why? 2) Where did the signal event occur? - Need to show the related events - Chart is a good place to show, as the c
11、hart can show the sequence of events directly related to price - But quickly becomes overloaded (e.g. Google chart)CQG, TradeStation, Linnsoft - Paint bars dont communicate type of event - Limited ability to add multiple eventsVisualization of Events and Workflow A New ApproachBloomberg Approach Bas
12、ed on cognitive principles: Information Inventory: bring together a lot of information into one coordinated visual representation - like a map. Correlation: Everything has a unique place. All events align by time. Find information visually and make visual inferences. Access: Single point of access t
13、o a detailed information, more effectively organized than a portal. Quick info via tooltips, and click to drill- through to detail screens.Visualization of Events and Workflow A New Approach Click on events to go to supporting dataBloomberg Organized tracks of events.Earnings and EstimatesNewsInside
14、r Transactions Economics, e.g. GDPDividendsResults Much more event data now available on charts in Bloomberg 250+ event types Drill-through workflow Drag & DropVisualization of Market Activity “1% inspiration”Challenge “We need a map of the market, but it cant be like everyone else.” Broad app: must
15、 be immediately comprehensible and usable from quant to CFOs secretary. Small space: has to work as a small windowHeatmap Industry standard but -Hierarchy not intuitively depicted -Intermediate summaries not depicted -Drill-up/down navigation not obvious -And its just status quo1. Start What do we h
16、aveBefore World Equity Indices - Grid of #s: no patterns, no pop-out. - Top level index: no sectors, no outliers.Visualization of Market Activity “1% inspiration”2. Background Research3. Many different designsBloomberg Approach Successful designs are an iterative process facilitated by experienced financial visualization designers and expert product managers acting as a
