Data & Databases |
داده ها و پایگاه داده ها |
Planers need access to accurate data for proper analysis. Here we look at data collection methods, database design, and access to databases. In addition, we look at graphical presentation of data via various software programs.
This video shows the world's air traffic over the course of a day. See North America, Europe and Asia light up much more than the rest of the world. Air traffic activity is a good economic indicator. If you've got people moving to and fro in airplanes, there must be a lot of economic activity to support it.
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This gapminder graph illustrates the correlation between improved health (as measured by greater life expectancy) and Income Per Person (gross domestic product per capita) of a country. Of interest in this graph: In general, first, health improves, then wealth:
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