SPREADSHEETS & DATABASES Management and visualisation of data
OUTLINE <ul><li>Spreadsheets </li></ul><ul><li>Pivot Tables  </li></ul><ul><li>Visualisation </li></ul><ul><li>Relational ...
SPREADSHEET: DAILY ACTIVITIES <ul><li>Category  Student  Activity  Date    Time  Duration </li></ul><ul><li>ADL   Michelle...
MANAGING DATA IN A SPREADSHEET
CATEGORIES  OF ACTIVITY
VISUALISATION <ul><li>http:// spreadsheets.google.com/ccc?key =pwN_b0qZlR-kvl3f0BI1scQ&hl=en </li></ul>
HOURS SPENT IN  ACTIVITIES
RELATIONAL DATABASE <ul><li>Group of tables that “talk” via a primary key </li></ul><ul><li>Activity Types </li></ul><ul><...
RELATIONAL DATABASE <ul><li>Easy access and retrieval </li></ul><ul><li>Present information in a useful way </li></ul><ul>...
SPREADSHEET <ul><li>Simple </li></ul><ul><li>Good for one purpose </li></ul><ul><li>Limited range of data </li></ul><ul><l...
WHICH TOOL IS BETTER FOR MANAGING DATA: AN EXAMPLE
 
MANAGING DATA FOR ANALYSIS:  WHICH IS THE BETTER APPROACH? <ul><li>Spreadsheet vs Relational Database </li></ul><ul><li>Ge...
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Spreadsheets & Databases

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Spreadsheets & Databases

  1. 1. SPREADSHEETS & DATABASES Management and visualisation of data
  2. 2. OUTLINE <ul><li>Spreadsheets </li></ul><ul><li>Pivot Tables </li></ul><ul><li>Visualisation </li></ul><ul><li>Relational Databases </li></ul><ul><ul><ul><li>What are they? </li></ul></ul></ul><ul><ul><ul><li>Strengths? </li></ul></ul></ul><ul><ul><ul><li>Limitations? </li></ul></ul></ul><ul><li>A Research Question </li></ul><ul><ul><ul><li>Do the methods of data collection provide evidence for the research question? </li></ul></ul></ul><ul><ul><ul><li>Managing data: Are spreadsheets or relational database better? </li></ul></ul></ul>
  3. 3. SPREADSHEET: DAILY ACTIVITIES <ul><li>Category Student Activity Date Time Duration </li></ul><ul><li>ADL Michelle Eating 7/9/2008 8-9am 1 </li></ul><ul><li>Prod Act Sina Class 7/9/2008 9-10am 1 </li></ul><ul><li>Leisure Zun Hanging out 7/9/2008 8-8pm 12 </li></ul>
  4. 4. MANAGING DATA IN A SPREADSHEET
  5. 5. CATEGORIES OF ACTIVITY
  6. 6. VISUALISATION <ul><li>http:// spreadsheets.google.com/ccc?key =pwN_b0qZlR-kvl3f0BI1scQ&hl=en </li></ul>
  7. 7. HOURS SPENT IN ACTIVITIES
  8. 8. RELATIONAL DATABASE <ul><li>Group of tables that “talk” via a primary key </li></ul><ul><li>Activity Types </li></ul><ul><li>Primary Key </li></ul><ul><li>Activity Log </li></ul>Activity Name Category Student’s name Activity name Duration
  9. 9. RELATIONAL DATABASE <ul><li>Easy access and retrieval </li></ul><ul><li>Present information in a useful way </li></ul><ul><li>Integrity </li></ul><ul><li>Flexibility </li></ul><ul><li>Information sharing </li></ul><ul><li>Complex </li></ul><ul><li>Privacy </li></ul><ul><li>Expensive </li></ul><ul><li>Advantages </li></ul><ul><li>Disadvantages </li></ul>
  10. 10. SPREADSHEET <ul><li>Simple </li></ul><ul><li>Good for one purpose </li></ul><ul><li>Limited range of data </li></ul><ul><li>Redundancy </li></ul><ul><li>Inconsistency </li></ul><ul><li>Human error </li></ul><ul><li>Advantages </li></ul><ul><li>Disadvantages </li></ul>
  11. 11. WHICH TOOL IS BETTER FOR MANAGING DATA: AN EXAMPLE
  12. 13. MANAGING DATA FOR ANALYSIS: WHICH IS THE BETTER APPROACH? <ul><li>Spreadsheet vs Relational Database </li></ul><ul><li>General vs specific data manipulation </li></ul>
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