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data table advantages
gives all data equal visibility, can see exact values
data table disadvantages
Difficult to identify relationships/patterns, Does not visualise data
line graph advantage
Can see trends over time, Can identify speed of change over time
Line Graph Disadvantage
Lines between data points suggest regular change between the points
scatter graph advantages
Can identify relationships, Can identify anomalies
scatter graph disadvantages
A more complex technique which may not be recognised by all readers
pie chart advantage
Widely recognised technique is easy to understand
pie chart disadvantages
May put 'Others' into a category, Without data labels, does not show exact values
chloropleth map advantages
Can identify spatial patterns, Able to show all countries
chloropleth map disadvantages
Abrupt changes between areas, Suggests large areas share the same value
map using GIS advantages
Can use to measure distances, Can analyse relief/terrain in software, Can export data to Google Earth, etc.
map using GIS disadvantages
Difficult to identify numeric data/relationships if not shown
photographs advantages
Visual record of that snapshot in time - gives qualitative information, Lots of information can be gathered from one photograph on a variety of topics
photographs disadvantages
Shows only a snapshot in time
Bar Chart Advantages
Accurate representation of data as bars are proportional to values
Bar chart disadvantages
Difficult to see spatial patterns, Without data labels - does not show exact values