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Difference between
version 3
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version 1:
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| + !!Usecase #6 - ANALYZE Matchup Data Sets - Alternate |
| At line 1 added 7 lines. |
| + __Version:__ 1.0\\ |
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| + __Summary:__\\ |
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| + Obtain target minus comparison SST data set statistics from the match-up data base.\\ |
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| + The interface should provide flexible access to a range of analytical capabilities.\\ |
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| + *__Input:__ A match-up data set generated by Use Case #3. |
| + *__Output:__ Statistical representations of the target minus comparison data set SST values. |
| + |
| + __Preconditions:__\\ |
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| + __Triggers:__\\ |
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| + __Basic course of events:__\\ |
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| + #Define refinement parameters: |
| + - nearest neighbor,\\ |
| + - average\\ |
| + - variance\\ |
| + - min-max difference\\ |
| + #Refine match-up |
| + - Calculate target, comparison SST-tuples (1 SST value for the target data set and 1 for point or line data sets or N-2 for N-2 field data sets); e.g., using nearest neighbor, average, bi-linear interpolation,...\\ |
| + - Calculate statistic associated with target and comparison match-ups; e.g., variance, min-max difference, skewness,...\\ |
| + #Define filter (or stratify) parameters: |
| + - space\\ |
| + - time\\ |
| + - refined statistic\\ |
| + - target-comparison distance in space and time\\ |
| + - comparison data set\\ |
| + #Define statistical analyses; |
| + - histogram differences\\ |
| + - mean and variance\\ |
| + #Apply statistical analyses on the refined match-up data set target minus comparison SST value; one difference for each of the N-2 data sets in the match-up element. |
| + #Output plots, tables |
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| + __Alternative paths:__\\ |
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| + __Postconditions:__\\ |
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| + __Business rules:__\\ |
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| + __Notes:__\\ |
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| + __Author and date -__ SST Use Case Development Group 25 July 2007.\\ |
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