How to Present InformationTopicsQuick Review: Human PerceptionStage Theory of Human Perception & MemoryRecall vs. RecognitionPresenting InformationPresent InformationTrain SchedulesPeriodic Table of Visualization MethodsTables are great!ChartjunkSlide 12Automatic Charts in ExcelSlide 14Information that mattersSlide 16Data-Ink MaximizationMinard’s Map of Napoleon's MarchLots of InformationSparklines Edward TufteVisualizationAssembly DiagramsProtein FoldingCompany RelationshipsNetworks of relationships from the webWeb topics relating to autosVisualizing Network TrafficGrokkerSlide 29Gap Minder (Google)Slide 31Nuts & BoltsFacebook Causes App Guest Lecture Nov 6thReadingsExams BackGrade SummaryHow to Present How to Present Information Information Christine RobsonChristine RobsonOctober 25, 2007October 25, 2007TopicsTopicsHuman Perception- Quick ReviewHuman Perception- Quick ReviewPresenting InformationPresenting InformationVisualizationsVisualizationsQuick Review:Quick Review:Human PerceptionHuman PerceptionStage Theory of Stage Theory of Human Perception & Human Perception & MemoryMemorySensory Image StoreWorkingMemoryLong TermMemory““Short Term”Short Term” Visual information storeVisual information store Auditory information storeAuditory information store Pre-attentive ProcessingPre-attentive ProcessingSensory Image StoreWorkingMemoryLong TermMemorydecay decay,displacementdecay?interference?maintenance rehearsalelaborationWorking Memory:Working Memory: Small capacitySmall capacity ~ 7 +/- 2 chunks~ 7 +/- 2 chunksLong Term Long Term Memory:Memory: Huge capacityHuge capacityRecall vs. RecognitionRecall vs. RecognitionTwo main ways we access memory:Two main ways we access memory:Recognition:Recognition:when provided with a cue to the information in when provided with a cue to the information in memorymemoryeg. feeling of familiarity, matching, multiple. choice, eg. feeling of familiarity, matching, multiple. choice, True/False on exams, recognizing someone you know... True/False on exams, recognizing someone you know... Recall:Recall:drawing the information from memory without (or with drawing the information from memory without (or with minimal) cues. minimal) cues. eg. coming up with the name for person you eg. coming up with the name for person you recognized, remembering what command to type, fill-recognized, remembering what command to type, fill-in-the-blank on exams. in-the-blank on exams.Presenting Presenting InformationInformationPresentPresentInformationInformationSibley Guide Sibley Guide To BirdsTo BirdsLots of DataLots of DataMany types ofMany types ofInformationInformationYet succinctYet succinctTrain Train SchedulesSchedulesPeriodic Table of Periodic Table of Visualization Methods Visualization Methods http://www.visual-literacy.org/periodic_table/periodic_table.html#Tables are great!Tables are great!ChartjunkChartjunk The interior decoration of graphics generates a The interior decoration of graphics generates a lot of ink that does not tell the viewer anything lot of ink that does not tell the viewer anything new. The purpose of decoration varies – to new. The purpose of decoration varies – to make the graphic appear more scientific and make the graphic appear more scientific and precise, to enliven the display, to give the precise, to enliven the display, to give the designer an opportunity to exercise artistic designer an opportunity to exercise artistic skills. Regardless of its cause, it is all non-data-skills. Regardless of its cause, it is all non-data-ink or redundant data-ink, and it is often ink or redundant data-ink, and it is often chartjunk.chartjunk.Edward Tufte Edward Tufte The Visual Display of Quantitative InformationThe Visual Display of Quantitative Information..ChartjunkChartjunkAutomatic Charts in Automatic Charts in ExcelExcelInformationInformationthat mattersthat mattersEdward Edward TufteTufteInformationInformationthat mattersthat mattersEdward Edward TufteTufteAutomaticAutomaticPPT ChartsPPT ChartsInformationInformationthat mattersthat mattersEdward Edward TufteTufteWithout theWithout thechartjunkchartjunkData-Ink MaximizationData-Ink MaximizationTufte defines two types of ink used Tufte defines two types of ink used to construct a graph: to construct a graph: –data-ink - the essential non-erasable data-ink - the essential non-erasable ink used to present the data ink used to present the data –non-data-ink - the redundant ink used non-data-ink - the redundant ink used to elaborate or decorate the graph to elaborate or decorate the graph The Data-Ink Ratio is defined as The Data-Ink Ratio is defined as the percentage: (100 x Data-ink) / the percentage: (100 x Data-ink) / (Total ink used on graphic) (Total ink used on graphic)Minard’s Map of Minard’s Map of Napoleon's MarchNapoleon's MarchMap by Charles Joseph Minard portrays the losses suffered by Map by Charles Joseph Minard portrays the losses suffered by Napoleon's army in the Russian campaign of 1812Napoleon's army in the Russian campaign of 1812Lots of InformationLots of InformationBeginning at the Polish-Russian border, the thick Beginning at the Polish-Russian border, the thick band shows the size of the army at each positionband shows the size of the army at each positionThe path of Napoleon's retreat from Moscow in the The path of Napoleon's retreat from Moscow in the bitterly cold winter is depicted by the dark lower bitterly cold winter is depicted by the dark lower band, which is tied to temperature and time scales. band, which is tied to temperature and time scales.Sparklines Sparklines Edward TufteEdward Tuftedata-intense, design-simple, data-intense, design-simple, word-sized graphics word-sized graphics small, high resolution graphics small, high resolution graphics embedded in a context of words, embedded in a context of words, numbers, images numbers, images SparklinesU.S. stock market activity (February 7, 2006)Index Day Value ChangeDow Jones 10765.45 −32.82 (−0.30%)S&P 500 1256.92 −8.10 (−0.64%)Nasdaq 2244.83 −13.97 (−0.62%)VisualizationVisualizationAssembly Assembly DiagramsDiagramsProtein FoldingProtein FoldingCompany Company RelationshipsRelationshipsNetworks of Networks of relationshipsrelationshipsfrom the webfrom the webOPEC Ministers and Large CompaniesWeb topics
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