presentation on “ data visualization of socio-economic data of asia”
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Kathmandu University Dhulikhel, kavre. Presentation on “ Data Visualization of Socio-economic data of Asia” . Group Member Binod Humagain(24) Buddha Lama(12) Kapil Aryal (01) Asish Giri (09) Robin Singh(21). Presented to: Mr. Shashish Maharjan - PowerPoint PPT PresentationTRANSCRIPT
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Presentation on
“Data Visualization of Socio-economic data of Asia”
Group Member Binod Humagain(24)Buddha Lama(12)Kapil Aryal(01)Asish Giri(09)Robin Singh(21)
Kathmandu UniversityDhulikhel, kavre
August 1st, 2012
Presented to:Mr. Shashish MaharjanDepartment of Civil and Geomatics Engineering
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contents
• Visualization• Visualization technique• Measurement scales• Perception properties• Visual variables• Maps showing socio-economic data
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Visualization
• To represent data graphically in the form of maps, diagrams, charts etc.
• To use different tools to make the data and information informative, effective and easy perception of thematic as well as geographic data
• Different cartographic grammars or symbols are used for the effective visualization
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Visualization technique
Geodata/thematic
Visual Variables
Perception properties
Measurement Scales
determine
apply
Link to
choose
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Measurement scales
• Nominal– Differ in type eg. land use
• Ordinal– Ranked but have relative values e.g. low, medium , high etc.
• Interval – Ranked using standard scale which operations of addition and
subtraction, eg temp
• Ratio– Ranked along standard scale, operation of multiplication, division,
addition and substraction is possible. E.g. elevation, population etc
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Perception properties
• Associative– All are perceived being equal
• Selective– All are perceived as being different but forming group
• Ordered– Can be placed in order of magnitude
• Quantitative– Create an impression of amount or quantities
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Visual variables
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Types of map used
• Choropleth map • Proportional symbol• Dot distribution
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Population Density
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Population Density
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Social data visualization
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ANALYTIC MAP
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Life Expectancy
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Life Expectancy
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Gross Domestic Product (GDP)
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Gross National Product (GNP)
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Literacy
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Population Growth Rate
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Death Rate
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Fertility rate
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Population distribution
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Choice of wrong visual variable
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Choice of wrong visual variable
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Conclusion
• These all are quantitative phenomena• Relative(population density, literacy rate, fertility
rate etc) and absolute(population) value have been used.
• Used socio-economic data(GDP, GNP, growth rate, birth rate etc) of Asian countries.
• With the choice of suitable variables in the map, socio-economic data can be perceived and understand easily.
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References
• http://en.wikipedia.org/wiki/Choropleth_map• http://en.wikipedia.org/wiki/Socioeconomic_status• www.srnr.arizona.edu/rnr/rnr419/.../jenks_caspall_1971.pdf
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THANK YOU!!