Lecture 5 Cornell Notes Topic Course ITM 618 Class 5 Date Oct 2 2019 Essential

Lecture 5 cornell notes topic course itm 618 class 5

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Lecture 5 Cornell Notes Topic: Course ITM 618 Class 5 Date Oct 2, 2019 Essential Question: [check chapter] Read B1 - C34 DUE: ASSIGNMENT 1 ON OCTOBER 25 Questions/Cues: Notes
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Pro-Tip –––––– Highlight what’s important! Recap: Data Mining vs. Use of the Model Training Data vs Test Data
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Summary
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Lecture 6 Data Cleaning and Visualization Business Reporting and Data Visualization Business Reporting A written document that contains information regarding business matters Purpose: to improve managerial decisions Source: data from inside and outside the organization Format: text + tables + graphs/charts Distribution: in print, email, portal/intranet Data Acquisition Information Generation Decision Making Process Management Report = Information Decision Report? Any communication artifact prepared to convey specific information A report can fulfill many functions To ensure proper departmental
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functioning To provide information To provide the results of an analysis To persuade others to act To create an organizational memory… Types Metric Management Reports Help manage business performance through metrics SLAs (Service Level Agreement) for externals KPIs (Key Performance Indicator) for internals Balanced Scorecard Type Reports Include financial, customer, business process, and learning & growth indicators Dashboard Type Reports Graphical presentation of several performance indicators in a single page using dials/gauges Using Visualization Techniques
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Data Visualizatio n Data Visualization is the use of visual representations to explore, make sense of, and communicate data Related to information graphics, scientific visualization, and statistical graphics Often includes charts, graphs, illustrations, … History Data visualization can date back to the second century AD Most developments have occurred in the last two and a half centuries Until recently it was not recognized as a discipline Today’s most popular visual forms date back a few centuries
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The First Pie Chart Created by William Playfair in 1801 William Playfair is widely credited as the inventor of the modern chart, having created the first line and pie charts.
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An Example Gapminder Chart: Wealth and Health of Nations The Emergence of Data Visualizatio n and Visual Analytics Emergence of new companies Tableau, Spotfire, QlikView, … Increased focus by the big players MicroStrategy improved Visual Insight SAP launched Visual Intelligence SAS launched Visual Analytics Microsoft bolstered PowerPivot with Power View IBM launched Cognos Insight Oracle acquired Endeca
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Visual Analytics by SAS Institute SAS Visual Analytics Architecture Big data + In memory + Massively parallel processing + ...
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