SMS:Residual vs. Observed Data Plot: Difference between revisions
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A Residual vs. Observed plot is used to display how well the entire set of observed values for observation points matches the solution data. On this plot is drawn a horizontal line along an error of zero, representing what would be a perfect correspondence between observed data and solution values. Then, one symbol is drawn for each observation point at the intersection of the observed and residual (computed-observed) values for the point. This plot can show the trend of the solution values with regards to matching the observed data. Only those points whose value is specified as observed for the selected data type will be shown in the plot. These plots are created in the Plot Wizard setting the Plot Type to Residual vs. Observed. A sample plot is shown in the figure. | A Residual vs. Observed plot is used to display how well the entire set of observed values for observation points matches the solution data. On this plot is drawn a horizontal line along an error of zero, representing what would be a perfect correspondence between observed data and solution values. Then, one symbol is drawn for each observation point at the intersection of the observed and residual (computed-observed) values for the point. This plot can show the trend of the solution values with regards to matching the observed data. Only those points whose value is specified as observed for the selected data type will be shown in the plot. These plots are created in the Plot Wizard setting the Plot Type to Residual vs. Observed. A sample plot is shown in the figure below. | ||
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After the plot type is set in Step 1 of the Plot Wizard, next to move to Step 2 where the plot options will be available: | After the plot type is set in Step 1 of the Plot Wizard, next to move to Step 2 where the plot options will be available: | ||
'''Coverage | '''Coverage''' – Displays the name of the coverage where the current data for the plot is coming from. | ||
'''Measurement | '''Measurement''' – This is the name of the current measurement, created in the Feature Objects | Attributes dialog, being plotted. | ||
'''Feature Objects | '''Feature Objects''' – Displays which feature object is utilized in the current plot, points or arcs. | ||
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* [[SMS:2D Plots|2D Plots]] | * [[SMS:2D Plots|2D Plots]] | ||
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[[Category:SMS Plots]] | [[Category:SMS Plots]] | ||
Revision as of 22:40, 13 November 2012
A Residual vs. Observed plot is used to display how well the entire set of observed values for observation points matches the solution data. On this plot is drawn a horizontal line along an error of zero, representing what would be a perfect correspondence between observed data and solution values. Then, one symbol is drawn for each observation point at the intersection of the observed and residual (computed-observed) values for the point. This plot can show the trend of the solution values with regards to matching the observed data. Only those points whose value is specified as observed for the selected data type will be shown in the plot. These plots are created in the Plot Wizard setting the Plot Type to Residual vs. Observed. A sample plot is shown in the figure below.
Residual vs. Observed Plots
After the plot type is set in Step 1 of the Plot Wizard, next to move to Step 2 where the plot options will be available:
Coverage – Displays the name of the coverage where the current data for the plot is coming from.
Measurement – This is the name of the current measurement, created in the Feature Objects | Attributes dialog, being plotted.
Feature Objects – Displays which feature object is utilized in the current plot, points or arcs.
Related Topics
SMS – Surface-water Modeling System | ||
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