Gavin Ritchie Profile Picture

Gavin Ritchie

IT Director

Gavin spent his previous career in software development and database design in a variety of employed and independent roles. Development activities for Life Insurance systems proved a launching pad to a collaboration with Stephen Richards, and the Longevitas application suite was born. Alongside steering the IT function, Gavin is the primary developer for database, Java and web-related technologies.

Articles written by Gavin Ritchie

Rewriting the rulebook

It is an unfortunate fact of life that through time every portfolio will acquire data artefacts that make risk analysis trickier. Policyholder duplication is one example of this and archival of claims breaking the time-series is another.
Tags: Filter information matrix by tag: technology, Filter information matrix by tag: data validation

Upwardly mobile

We recently discussed the ways server-based modelling software facilitates collaboration across boundaries. Another important boundary is the office wall, although what was once considered an impermeable divide between work and the rest of our lives, is nowadays all-too porous.
Tags: Filter information matrix by tag: technology, Filter information matrix by tag: collaboration, Filter information matrix by tag: mobile access

A problem shared

Creating a good model from your experience data is not always straightforward.
Tags: Filter information matrix by tag: technology, Filter information matrix by tag: collaboration

Personal standards

Love them or loathe them, actuaries cannot get by without standard tables in some shape or form. Even when performing analysis of your own experience data to avoid basis risk, standard tables are often used as a kind of lingua franca between parties, a convenient way to express approximate results in a way everyone can understand.
Tags: Filter information matrix by tag: technology, Filter information matrix by tag: standard table

Open verdict

If any doubt about Linux and Open Source technologies existed in Enterprise IT departments it must surely have been erased by last week's news: The London Stock Exchange, one of the engines that propelled the UK to the top of the World Economic Forum rankings, has invested in a Linux trading platform.
Tags: Filter information matrix by tag: open source, Filter information matrix by tag: technology

Beginner's guide to postcode pricing

We've created a short graphical summary of the application of postcode-driven lifestyle within actuarial mortality models.
Tags: Filter information matrix by tag: postcodes, Filter information matrix by tag: mortality, Filter information matrix by tag: annuities

Postcode pricing in 15 minutes!

Just a short post to announce we've revised our overview videos for both Longevitas and mortalityrating.com.
Tags: Filter information matrix by tag: postcodes, Filter information matrix by tag: survival models

Transforming the user experience

We were asked recently whether the rating reports from  mortalityrating.com could be extracted into a Microsoft Office format to use in an automated document production process. As the actual reports are in Adobe PDF format, tackling this question head-on wouldn't necessarily be easy.
Tags: Filter information matrix by tag: XML, Filter information matrix by tag: XSL, Filter information matrix by tag: CSV, Filter information matrix by tag: technology, Filter information matrix by tag: productivity

Concentrate!

One of the challenges in modelling financial portfolios is the concentration of risk arising from the fact wealthier people will usually have significantly higher benefits than the less well-off.
Tags: Filter information matrix by tag: concentration risk, Filter information matrix by tag: visualisation, Filter information matrix by tag: mapping

Confounding compounding

Earlier posts discussed the importance of deduplication in annuity portfolios and pension schemes and some of the issues around the deduplication of names, specifically the use of double metaphone to look through common variant spellings of the surname or family name.
Tags: Filter information matrix by tag: deduplication, Filter information matrix by tag: duplicates