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• Finalize First Draft of Actuarial Database Schemas

  ## Actuarial Database (P&C Claims Based Reserving) This database should serve as a portable, domain-driven template backend for an operational reserving workflow. ### Claims Primary **Claims** table with various foreign key links to other attributable tables: - Claims - ClaimMeasures - ClaimDimensions - Transactions (or Events) - claim value changes - Claimants - Locations - Policies - Coverages - Segments: Business Unit, Line of Business, Division, Department, Brand, etc. - TPAs - Premiums - Coverage based units: + Vehicles + Employees + Payroll Lookup Tables: - Status Codes - Injury Codes - Coverage Codes - Cause Codes - Other identifiers Industry Streamed Data: - Industry LDFs - Industry ILFs - Industry Loss Rates, Severities, and Frequencies - Industry Hazard Groups - etc. ### Summary Views for Object-Level Aggregations - Views for each triangle needed: + Cumulative Paid, Case, Incurred, Counts + Incremental Paid, Case, Incurred, Counts + Calculated Age-to-Age Factor Triangles ### Mechanism to Store Selections Need to be able to store: - Interpolated CDFs (may need a stored procedure for this) + Persistencies and Seasonality + Decay Factors and ILFs + Payment Patterns + Discount Rates + ELFs + ELAPPFs + Rates and Trends + Ultimate Method Selections etc.

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• Create Initial Plumber API Skeleton

  ## Initial Actuarial Plumber API Skeleton ### Core Entities The core entities will be based off the preliminary database schema: #### Input Data Entities - Claims - Claimants - Policies, Coverages, and TPAs - Exposures (by coverage) - Industry (LDFs, ILFs, Rates, Trends, Credibility) #### Analysis Entities **Derived or Selected Data:** - Summarized Data Tables (Aggregated): + Loss Triangle Data + Validations + Comparisons to Prior: AvE, etc. + Matchup between claims and exposures - Triangles + Reported, Paid, Counts, Cumulative, Incremental, Age-to-Age + Optional: Limited, Unlimited, Specific Filters by Segment, Years, etc. + Diagnostic triangles - Loss Development Factors: + Selected + Interpolated + Decay, Persistency + Industry + Prior Interpolated #### Results Oriented Entities - Evaluations and Reports - Ultimates + Reported, Paid, Counts + Preliminary Development Methods + Rate Methods (utilizing exposures) + B-F Method's + Comparison to prior's and AvE indications - Rates and Trends - Total Unpaid Reserves + Simulated Reserves + Discounted Reserves - Allocation of IBNR

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