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US 16: Custom Spatial Comparisons #377

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mvmaltitz opened this issue Feb 21, 2025 · 0 comments
Open

US 16: Custom Spatial Comparisons #377

mvmaltitz opened this issue Feb 21, 2025 · 0 comments

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@mvmaltitz
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Expectation:

16.1) As a user, when I conduct an analysis to compare a management unit with another spatial reference unit (e.g. rested polygon or farm camp), I want to have more choice in selecting temporal parameters, be able to set up multiple spatial comparisons, have BACI scores in addition to percent change, and know that the results will be more accurate than in the current system.

Acceptance Criteria:

16.1) Users should be able to customise spatial comparisons with multiple reference units and time frames.
16.2) The platform must allow users to select multiple reference sites for comparison.
16.3) A variety of temporal periods should be available for comparison.
16.4) The system provides clear visualisations of comparison results such as bar chats.
16.5) BACI (Before-After-Control-Impact) scores must be supported in spatial analysis.
16.6) Fix the spatial comparison that is not working as expected.
16.7) Calculates a percentage difference in the bareground indicator.

The spatial analysis function allows users to compare an active implementation site with surrounding areas to determine spatial differences in restoration areas as opposed to control areas. A spatial analysis calculates the relative percent difference across specific indicators between your reference area and selected camp/s. Development priorities for this function include refinement of the temporal period used for the comparison of sites, improving the algorithm that calculates percent difference of indicators and ensuring multiple comparisons between restoration sites is possible. Improving ARW spatial analysis functionality to calculate the impact of an intervention using a before-after-control- impact (BACI) experimental design is a key piece of development. For example, if the user chooses a response variable (e.g. fractional grass cover), then they select
their control (ie. a reference site) and treatment (ie. restoration site) as well as the date of their restoration intervention, the app then uses the satellite data before and after the intervention to calculate a BACI score for the given restoration site. This would incorporate a combination of temporal and spatial analysis and return more accurate and context-specific results. the BACI calculations to be provided by client in December.

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