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Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
Beekman5 std ppt_06
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Beekman5 std ppt_06

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Transcript

  • 1. Chapter 6 Calculations, Visualization, and Simulation
  • 2. Topics
    • The Spreadsheet: Software for Simulation and Speculation
    • Statistical Software: Beyond Spreadsheets
    • Statistics and Data Analysis
    • Scientific Visualization
    • Calculated Risks: Computer Modeling and Simulation
    “ The purpose of computation is not numbers but insight.” R. W. Hamming..
  • 3. The Spreadsheet Cell A1
    • The spreadsheet consists of:
    • Cells (the intersection of a row and column)
    • Addresses (column letter and row number, e.g., A1, C12)
    Cell C12
  • 4. The Spreadsheet Spreadsheets can contain:
    • Values such as numbers and dates
    • Labels that explain what a value means, such as column and report headings
  • 5. The Spreadsheet
      • Formulas allow you to create instructions using mathematical expressions and commands
      • + (plus) - (minus) *(multiplication) / (division) Sum Average
  • 6. Spreadsheet Features Spreadsheets offer many automatic features such as replication of data and let the software replicate it to other cells. Type the first value in the series such as Qtr 1 or January or 500
  • 7. Spreadsheet Features
    • Formulas can be relative , so they refer to different cells when they are copied
    • Or absolute , so the formula references never change when they are copied
    When the formula in column B is copied to column C , it changes relative to the new column.
  • 8. Spreadsheet Features
    • Automatic recalculation
      • Any time a change is entered into the spreadsheet, all data related to the change automatically updates.
  • 9. Spreadsheet Features
    • Functions (e.g., SUM, AVG, SQRT) are used to automate complex calculations
    • Macros let you store keystrokes and commands so they can be played back automatically
    • Templates offer ready-to-use worksheets with labels and formulas already entered
  • 10. Spreadsheet Features
    • Linking spreadsheets together
      • When the value change in one spreadsheet, the data is automatically updated in all linked spreadsheets
  • 11. Spreadsheet Features
    • Database capabilities
      • Search for information
      • Sort the data by a specific criteria
      • Merge the data with a word processor
      • Generate reports
  • 12.
    • Spreadsheets allow you to change numbers and instantly see the effects of those changes.
      • “ What if I enter this value ?”
    • Equation solvers
      • Some spreadsheets generate data needed to fit a given equation and target value.
    “What If?”
  • 13.
    • Charts allow you to turn numbers into visual data:
      • Pie charts (show relative proportions to the whole)
      • Line charts (show trends or relationships over time)
    Spreadsheet Graphics: From Digits to Drawings
  • 14. Spreadsheet Graphics: From Digits to Drawings
      • Bar charts (use if data falls into a few categories)
      • Scatter charts (use to discover, rather than to display, a relationship between two variables)
  • 15.
    • Accounting and Financial Management software allows you to do electronically handle routine transactions such as:
      • writing checks
      • balancing accounts
      • creating budgets
    Statistical Software: Beyond Spreadsheets
  • 16. Statistical Software: Beyond Spreadsheets
    • Mathematics Processing software turns abstract mathematical relationships into visual objects.
  • 17. Statistical Software: Beyond Spreadsheets
    • Statistical and data analysis software collects and analyzes data that tests the strength of data relationships.
  • 18. Statistical Software: Beyond Spreadsheets
    • Scientific visualization software uses shape, location in space, color, brightness, and motion to help us visualize data.
  • 19.
    • Computer modeling uses computers to create abstract models of objects, organisms, organizations, and processes.
    Calculated Risks: Computer Modeling and Simulation
  • 20. Computer Modeling and Simulation
    • Examples:
      • computer games (chess boards, sports arenas, and mythological societies)
      • computer models of organisms, objects, and organizations
      • flight simulators and simulations of science lab activities
      • managing a business, city, or nation
  • 21.
    • Computer Simulations are widely used for research in the physical, biological, and social sciences, and in engineering.
    Computer Simulation
  • 22.
    • Schools, businesses, and the military use simulations for training because:
      • Safety : non-threatening environments
      • Economy : less expensive than real life
      • Projection : less threatening to systems
      • Visualization : allows to see and understand
      • Replication : allows repetition of projects
    Computer Modeling and Simulation
  • 23. Computer Simulation: The Risks
    • Risks:
      • Simulation isn’t reality.
      • Not all factors can be entered into the model or simulation.
  • 24.  

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