GRAPH Presentation 1 -TYPES of GRAPHS.pptx
- 1. DESCRIBING GRAPHS PRESENTATION 1 TYPES OF GRAPHS
- 2. WHY WE NEED GRAPHS • Graphs, charts and diagrams are visual methods commonly used to present data in a concise manner offering clear and easy-to- comprehend illustrations of data relationships and trends. Without visual methods, data would be too numerous or too complicated to be understood in limited time and space.
- 3. TYPES • There are 5 main types of visual methods presenting data: • a bar graph (or bar chart) • table • line graph • pie chart • diagram
- 4. BAR GRAPHS • Bar graphs are used to show relationships between different data series that are independent of each other. In this case, the height or length of the bar indicates the measured value or frequency. Below, you can see the example of a bar graph which is the most widespread visual for presenting statistical data.
- 5. EXAMPLE OF BAR GRAPH
- 6. TABLES • Tables typically show data in columns and rows. With tables, users can read the data chronologically as they compare individual numbers. Tables allow users to focus on a couple of numbers at a time. They are good for presenting data that uses multiple units of measurement or data that involves exact values. It can be difficult to compare data on tables because they require detailed reading and focus.
- 7. EXAMPLE OF TABLE Terrorism fatalities (GTD, 2018) Afghanistan 0.00 in 1973 6,092.00 in 2017 +6,092.00 Albania 0.00 in 1981 0.00 in 2017 +0.00 Algeria 0.00 in 1972 12.00 in 2017 +12.00 Andorra 0.00 in 1974 0.00 in 1974 +0.00 Angola 0.00 in 1977 7.00 in 2017 +7.00 Antigua and Barbuda 0.00 in 1992 0.00 in 1992 +0.00 Argentina 5.00 in 1970 0.00 in 2017 -5.00 - 100% Armenia 0.00 in 1991 6.00 in 2016 +6.00 Australasia & Oceania 0.00 in 1970 4.00 in 2017 +4.00 Australia 0.00 in 1970 4.00 in 2017 +4.00
- 8. LINE GRAPHS • Line graphs represent how data has changed over time. This type of charts is especially useful when you want to demonstrate trends or numbers that are connected. For example, how incidents vary over the years. Besides, line graphs can show dependencies between two objects during a particular period.
- 9. EXAMPLE OF LINE GRAPH
- 10. PIE CHARTS • Pie charts are designed to visualize how a whole is divided into various parts. Each segment of the pie is a particular category within the total data set. In this way, it represents a percentage distribution.
- 11. EXAMPLE OF PIE CHART
- 12. DIAGRAMS • Diagram is a plan, drawing, or outline created to illustrate how separate parts work and overlap at the connecting points.
- 14. SOURCES • https://ourworldindata.org/terrorism • https://towardsdatascience.com/how-geo-mapping- helps-identify-trends-in-global-terrorism- 5881bf0a0659 • https://www.researchgate.net/figure/Involvement- with-terrorism_fig2_255632758