inst/Notes.md

In jimbrig/lossdevt: What the Package Does (One Line, Title Case)

Notes

• Initially given transactional based claims data with payments

• Derive static loss runs from transactionals by evaluation date

• Summarize loss run data into triangles:

• Development Triangles:

  • Paid Loss
  • Reported Loss
  • Reported Claim Counts

• Diagnostic Triangles:

  • Case Reserves
  • Incremental Paid
  • etc.

• Derive Age-To-Age Triangles

• Derive Averages from Age-To-Age Triangles

• User selections: Selects Age-To-Age factors given averages, industry, and priors

• Display save and reset button
• Display feedback and validation for various LDF selection diagnostics and warnings

• Once submitted, push selections to database

• Interpolate in-between age CDFs from user selected LDFs:

• Linear interpolation for ages < 12
• Double exponential interpolation for ages 12+

• Decay factors for extrapolation beyond latest age

• Show % reported, % paid, and % counts reported

• Show initial derived ultimate based off development factors

• Show a table with aggregated data used to derive triangles

• Add conditional formatting to display any anomalies and weird trends

jimbrig/lossdevt documentation built on Dec. 21, 2021, 12:06 a.m.