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Spreadsheet Design for Data Analytics & Controls for Big Data. Module S & Supplemental Resources on Class Website. Concept Map. Data Analytics. Implementation. Design. Excel Features. Simplicity. Verifiability. Clarity. Objectives. Define e-commerce & Data Analytics.
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Spreadsheet Design for Data Analytics & Controls for Big Data Module S & Supplemental Resources on Class Website
Concept Map Data Analytics Implementation Design Excel Features Simplicity Verifiability Clarity
Objectives • Define e-commerce & Data Analytics. • Explain the Simplicity, Clarity & Verifiability Principles. • Demonstrate Excel features often used with large spreadsheets.
E-Commerce • Conducting business transactions over a network
Second Life American Apparel Adidas
E-Commerce & Apparel • Digital sales only represent about 10% of all apparel sales each year • Roughly 40% of retailers’ online sales are returned due to unflattering fits
Fashionista http://www.youtube.com/watch?v=ZnBcqV9POkY&feature=player_embedded#
TrueFit House of Fraser - http://www.truefit.com/about-us/how_it_works
Data Analytics Supports fact-based decision making in data-rich environments
Find http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html
Spreadsheet Design Goals • Simplicity • Clarity • Verifiability • Accuracy • Efficiency
Simplicity – Part 1 One idea per row & one idea per column
Header & Footer Select VIEW, NORMAL to return to regular worksheet display http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html
Rename Worksheet Double-click sheet tab to change text http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html
Clarity • Unity* • Delineation • Order • Emphasis
Print Titles http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html
Freeze Panes First position cursor below & to the right of headings http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html
Basic Formatting to Support Unity & Delineation • Fonts • Background Colors • Borders
Clarity • Unity • Delineation • Order* • Emphasis
Sort First, select data range. Sort by Last Name. If two students have the same last name, sort by First Name as well. http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html
Conditional Format First, select data range. http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html
Conditional Formatting Example Emphasize Accounting majors. First, select data range. http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html
Simplicity – Part 2 Numbers to be compared should align vertically in columns
Deliniate Worksheet Zones • Heading • Data • Calculations
Verifiability • Minimize data entry errors • Data Validation for Data Zone • Worksheet Protection for Heading & Calculation Zones
Data Validation Decisions • Which data cells may require data validation? • What rules can I establish to identify incorrect data? • Is this rule accurate 100% of the time? • What should my error message be?
First, select data range. Data Validation http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html
Worksheet Protection Decisions • Which cells require protection? • Which cells need to be unlocked?
Worksheet Protection (Step 1) http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html
Worksheet Protection (Step 2) http://www.lacoste.pamplin.vt.edu/web1504/resources/video/ss.html