Process to convert cost and location of a number of actual contingent events within a region into a three dimensional surface over a map that provides for every location within the region its own estimate of expected cost for future contingent events
First Claim
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1. A method that utilizes and transforms historic insurance data such as losses, policyholder location, coverage provided, and other factors affecting likelihood of loss into a three dimensional surface over a map that provides a uniquely estimated rate value for every location desired, comprising the steps of:
- selecting a plurality of predetermined points such that every location for which rate values are desired is located at or among the predetermined points;
determining a rate value for each predetermined point by using data uniquely selected and weighted from other locations;
interpolating among the rate values at the predetermined points to determine the rate values at desired locations which are located among the predetermined points; and
specifying the rate values calculated at the predetermined points and, by formula, the rate values at desired locations among the predetermined points to create a three dimensional surface over a map that provides a uniquely estimated rate value for every location desired.
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Abstract
A method of establishing the insurance rate at a desired location comprising the steps of selecting a plurality of predetermined points, calculating the insurance rate at each predetermined point, and interpolating among the values of insurance rates at predetermined points adjacent to the desired location to calculate the insurance rate at the desired location.
257 Citations
12 Claims
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1. A method that utilizes and transforms historic insurance data such as losses, policyholder location, coverage provided, and other factors affecting likelihood of loss into a three dimensional surface over a map that provides a uniquely estimated rate value for every location desired, comprising the steps of:
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selecting a plurality of predetermined points such that every location for which rate values are desired is located at or among the predetermined points;
determining a rate value for each predetermined point by using data uniquely selected and weighted from other locations;
interpolating among the rate values at the predetermined points to determine the rate values at desired locations which are located among the predetermined points; and
specifying the rate values calculated at the predetermined points and, by formula, the rate values at desired locations among the predetermined points to create a three dimensional surface over a map that provides a uniquely estimated rate value for every location desired. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method that transforms historic insurance data such as losses, policyholder location, coverage provided, and other factors affecting likelihood of loss into rate values for creating a three dimensional rating surface of uniquely estimated rate values for all locations desired comprising the steps of:
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selecting a plurality of predetermined points such that all locations for which rate values are desired are located at or among the predetermined points;
determining a rate value for each predetermined point by using data uniquely selected and weighted from other locations;
interpolating among the rate values at the predetermined points to determine the rate values at desired locations which are located among the predetermined points;
transforming the rate values calculated onto a contour of point sets; and
plotting the contour point sets to formulate a three dimensional rating surface of uniquely estimated rate values for all locations desired. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification