Loss Group Analysis

 

A Loss Group Analysis enables you to combine two or more sets of loss results from different analyses into a single loss view, or group, which is then available for use as input to subsequent processes or analyses. You can also then associate a reinsurance program with the loss group and run a reinsurance program analysis. You can create a hierarchy of groups by combining individual results or grouped results.

  You cannot run Marginal Impact, Loss Group, and CAT XOL analyses on the results of Non Catastrophe Peril Analyses.

Inputs to the analysis can be the results from a detailed loss or loss group analysis, from the same project. The results may be on different databases, but must be on the same server. In addition, all the loss results must be for the same number of simulated years, and, when you combine two or more loss results for the same model, the model versions must be compatible.

  You cannot run Loss Group analyses on old event sets. Click here for information about working with modeled losses from previous product versions.

If the input results contain a mix of high- and low-resolution results, Loss Group combines them at the lowest common resolution. The system verifies that the loss results can be consolidated. If the currencies of the underlying analyses are not the same, Loss Group converts them to the currency you select in the Analysis Management pane.

If your input includes mixed results for storm surge or demand surge, for example, where storm surge was applied to one set of loss results but not to the other set of results, Loss Group enables you to specify whether to include storm surge or not. If both sets of results have the same settings, for example, where demand surge was applied to both analyses, then the default setting for the output is "With". For storm surge, if storm surge was applied to either of the selected analyses, the default is "With".

Loss Group generates new event loss detail tables for each distinct event with the losses added for all inputs for all common financial perspectives. It calculates new Annual EP and Summary EP tables for the group, and the average annual loss for the group.

When you run a Loss Group analysis, Loss Group creates a parent event set. If you subsequently group any of the group results, each group brings its parent event set to the new group; this ensures that you have all relevant information about the catalogs that comprised the results to which you are applying the treaty.

For more information about configuring and running a Loss Group Analysis, see Configuring and Running a Loss Group Analysis.

 

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Touchstone V3.0 Updated December 01, 2016