Purpose of Charts To portray relationships among the components of a unified whole. ie. Production process, chain of command, schedule, expenses, etc.
Types of Charts1. Flow Charts: Break down a process2. Organizational Charts: Portray a hierarchical structure3. Gantt Charts: Depict a schedule of activities4. Circle Charts: Depict relationships among parts of a whole
1. Flow Charts
Advantages of Flow Charts Clearly communicates how a process works Provides a clear documentation of a process Helps clarify your own understanding Assists in identifying improvements
Composition of Flow Charts Most flow charts are made of three symbols: 1. Elongated circles, signify the start/end 2. Rectangles, show instructions or actions 3. Diamonds, indicate decisions
Composition of Flow ChartsContinued Symbols are labelled Symbols are connected by arrows
Making a Flow Chart:Brainstorm1. Identify tasks and decisions2. List them in order 1. Alarm goes off 2. Hit snooze button (repeat) 3. Shower 4. Get dressed 5. Have breakfast 6. Go to school
Making a Flow Chart: CreateChart1. "Start" symbol2. Add items in list with appropriate symbols3. Connect with arrows4. "End" symbol
Making a Flow Chart: Review Review your flow chart for: Accuracy Efficiency Legibility
Flow Chart Tip: Connectors Use connector symbols to extend your flow chart onto another page
Additional flow chart symbols
2. Organizational Charts
Advantages of OrganizationalCharts Guides development of your organization Identifies the layout of responsibilities Indicates authority and relationships
Composition of OrganizationalCharts Like flow charts: labelled boxes linked by lines or arrows Each box contains: title of the position name Organized most powerful to least powerful; top to bottom
Making an Org. Chart: DefinePositions1. Make a list of the positions2. Identify which position each position reports to. 1. President 2. VP Marketing - President 3. VP Productions - President 4. VP Sales - President 5. . 6. . 7. .
Making an Org. Chart: CreateChart1. Draw each level of the heirarchy and connect them appropriately.
3. Gantt Charts
Advantages of Gantt Charts Helps plan projects Provides a schedule Assists in organizing resource allocation Sets motivational due dates and milestones
Composition of Gantt Charts Include: Bar lines List of milestones Horizontal time axis
Composition of Gantt Chartscont.Similar to horizontal linegraphsGantt Chart Horizontal Line Graph
Making a Gantt Chart: IdentifyTasks1. List tasks/milestones2. Order them from first to last3. Note their duration 1. Survey and Data Review - 1 week 2. Interview BC Hydro - 1 week 3. Data Extraction Research - 3 weeks 4. Data Display Research - 3 weeks
Making a Gantt Chart: CreateChartTable Graph
A Complex Gantt Chart
4. Circle Charts a.k.a. “Pie Charts”
Advantages of Circle Charts Facilitates risk analysis, needs assessment, and resource allocation. Makes depicting relationships among parts within statistical wholes easy. Represents the size relationship between the parts and the entire thing clearly
Composition of Circle Charts Title Circle Key
Making a Circle Chart: IdentifyPortions1. Make a list of the portions you want to include. Should only be 3-7 portions.2. Identify the percentage of each portion. They should add up to 100%
Making a Circle Chart: CreateChart1. Write a meaningful title at the top2. Add your key to the right3. Add your circle, dividing it up into the portions indicated by your key.
Disadvantages of Circle ChartsPrecisionDifficult to compare similar values
Disadvantages of Circle ChartsPrecisionEasy to compare those samevalues
Disadvantages of Circle ChartsReadabilityHaving too many portions makes itdifficult to read.
Software Makes it EasyMany programs support the easy creation of charts: Microsoft Office Visio Open Office Draw SmartDraw
References1. "Flow Charts."Mind Tools. http://www.mindtools.com/pages/article/newTMC_97.htm (February 8, 2012)2. "Why the Organization Chart is Not Obsolete." SmartDraw blog. http://www.smartdraw.com/blog/archive/2008/05/12/why-the-organization- chart-is-not-obsolete.aspx (February 8, 2012)3. "Gantt Charts." Mind Tools. http://www.mindtools.com/pages/article/newPPM_03.htm (February 8, 2012)4. "Gantt Chart." ASQ. from http://asq.org/learn-about-quality/project- planning-tools/overview/gantt-chart.html (February 8, 2012)5. Kosara, Robert. "Understanding Pie Charts." Eagereyes. http://eagereyes.org/techniques/pie-charts (February 8, 2012)6. "When To Use Pie Charts." SQL Server Business Intelligence LTD. http://www.sql-server-business-intelligence.com/data- visualization/charts/pie-charts/when-to-use-pie-charts (February 8, 2012)