Analysis of time-series data- By Sarel Coetzer. Statistic data from a certain year can be mapped and compared with a different set of statistical data from another. From the same geographic extent. Statistical data can be used to clean up data, smooth out rough edges and make the data more meaningful. Highest, lowest, means and even deviations values from your acquired. And visualize the data on a map. Compare values over time is sometimes necessary.

Minor revisions, changed text and photos. Still rough; needs textual content and a more legible header. NY Times article Global warming draft III.

Everything is related to everything else, but near things are more related than distant things. Mapping density allows the GIS. User to analyse data features based on a measuring unit of the area. This function allows the user to measure geographical data such as fires, commercial locations, birding habitat, customer location, basically any point data. Density analysis can be done using sample points or attributes combined with the sample points. Planned for day and night-time.