Data visualization presentation - Making charts with Excel - slides only - UC Berkeley Library IDP
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Data visualization presentation - Making charts with Excel - slides only - UC Berkeley Library IDP

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Data visualization presentation - Making charts with Excel - slides only - UC Berkeley Library IDP Presentation Transcript

  • 1. Illustrating data Making charts with Microsoft Excel
  • 2. a curved line with every point equal distance from the center
  • 3. fruit <
  • 4. Efficient communication ! ! Opportunity for instruction and research support digital literacies and scholarly communications ! ! Data are persuasive
  • 5. Determine if a chart is needed ! Pick the best chart for your data analysis and story ! Design the chart for ease of reading and comprehension ! Build the chart in Excel
  • 6. 1. Determine if a chart is needed Table Chart for ease of looking up values when the message is contained in the shape of the values when precise values are required to reveal relationships among the values
  • 7. Data The birthdate of every student library employee The rising and falling numbers of student library employees working in each semester from 1995 to present Important historical events in British Columbia and the year they occurred The correlation between the number of hours worked by student library employees and their academic success Table Chart
  • 8. 2. Pick the best chart for your data analysis and story
  • 9. What’s your quantitative message? Value comparison Time-Series Ranking Part-to-Whole Deviation Distribution Correlation
  • 10. Common chart types Histogram
  • 11. Pie chart 7% 8% 35% 10% 11% 29%
  • 12. Column/Bar chart
  • 13. Line chart 100 75 50 25 0 April May June July
  • 14. Scatterplot
  • 15. 3. Design the chart for ease of reading and comprehension
  • 16. 20 15 10 5 0 0 3 6 9 12
  • 17. 20 15 10 5 0 0 3 6 9 12
  • 18. 20 15 10 5 0 0 3 6 9 12
  • 19. Count of litter on the Vancouver test SkyTrain car 20 15 10 5 0 0 3 6 9 Hours of operation Millennium Line Expo Line Canada Line 12
  • 20. 200 150 100 50 0 April May June July
  • 21. 100 75 50 25 0 April May June July
  • 22. 100 75 50 25 0 April May June Month July
  • 23. 100 75 50 25 0 April May June July
  • 24. Count of litter on the Vancouver test SkyTrain car 20 15 10 5 0 0 3 6 9 Hours of operation Millennium Line Expo Line Canada Line 12
  • 25. Litter on sample Vancouver SkyTrain cars on Dec 17, 2013 Count of litter on the Vancouver test SkyTrain car Cleaning services needed by 9th hour of operation, particularly on Millennium and Expo lines 20 15 10 5 0 0 3 6 9 Hours of operation Millennium Line Expo Line Canada Line 12
  • 26. Sample A Sample B 70 200 52.5 160 35 120 17.5 80 0 40 April May June July April May June July
  • 27. Sample A 70 52.5 Sample B 200 70 58 55 160 43 35 120 17.5 80 70 55 0 43 April May 40 April May June July 58 June July
  • 28. 4. Build the chart in Excel and embed in document Enter data on a worksheet Insert tab, select chart Cut and paste chart
  • 29. Identify the data story. Use Excel; make visuals simple.