Publications by Trinostics LLC

Water Damage at Cal!

21.10.2015

Dag Lohmann gave an exhaustive (not “-ing”!) presentation on Katrisk modeling of water damage at  The Berkeley R Language Beginner Study Group last night in The Ark. A bit beyond “beginner”, Dag! 🙂 Thanks for the snips of your shiny. Nice graphs. Related To leave a comment for the author, please follow the link and comm...

654 sym

The making of a shiny mauc

17.02.2016

When an excess of loss (XOL) reinsurance pricing actuary has only indemnity to work with, how can s/he reflect allocated loss adjustment expense (ALAE) in final cost projections? Such is the situation addressed by Greg McNulty in his blog Modeling ALAE Using Copulas (MAUC). According to McNulty, the classical approach — loading the indemnity ...

3047 sym

The making of a shiny mauc: chapter 2

26.02.2016

This continues last week’s post The making of a shiny mauc, based on Greg McNulty’s mauc blog. It utilizes the RStudio interface to R, Desktop version.Recall, the goal is to make an online shiny app that will run Greg’s code using his data, all supplied in his post. Today we will address what modifications are necessary to show ...

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A horizontal scrolling code box in blogger

03.03.2016

To display code in a blog I like to use a “code box” because I think it presents a more “professional” look. But it’s not that easy with blogger.By “code box” I mean a “window” with a monospaced font and vertical and horizontal scrolling bars as necessary. The internet search solutions I found almost worked, but not ...

2861 sym

Google’s New Search Algorithm Introduces Bias

17.03.2016

Larry Magid has a technology “article” on the local radio station. I always turn up the volume when Magid comes on. Today’s spot tells how Google Search going forward may be biased for you personally based on your Google-stored relationships. This might be handy sometimes. For example, when looking for a restaurant you may wa...

1427 sym

Control totals of a data.frame

24.03.2016

When you are conducting a business analysis project with a data extract from the company’s internal system, professional risk management suggests you make sure you are not missing any records or double counting any records. But you certainly don’t want to look at every record. Yikes!Auditors solve this predicament with control to...

4075 sym

R Tools for Visual Studio (RTVS) now available: good news for MS-only shops

01.04.2016

Microsoft informs in Newsletter #2 that they are looking for people who are willing to evaluate an “early access trial” version of their Visual Studio IDE for R, called RTVS (for R Tools for Visual Studio).Based on the video, RTVS has the same four-window design as RStudio, so there’s not an immediate struggle with an unfamiliar...

1432 sym

A Diversified R in Insurance Conference

31.07.2016

I visited London this month for the first time in many years, having been honored to participate in the fourth annual R in Insurance conference held at the Cass Business School. Mired in the deep rooted polarity of the current American presidential election, this traveler was refreshed and uplifted by London’s surprising and multi-f...

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Forking, Cloning, and Pull Requests with Github Desktop

11.08.2016

This is the best explanation I’ve found of how to collaborate on someone else’s repository. Bonus! it’s a video: Related To leave a comment for the author, please follow the link and comment on their blog: triKnowBits. R-bloggers.com offers daily e-mail updates about R news and tutorials about learning R and many other topic...

518 sym

Benford’s Law Graphed in R

30.08.2016

Using R to replicate Sara Silverstein’s post at BusinessInsider.comA first-year student near and dear to my heart at the Kellogg School of Management thought I would be interested in this Business Insider story by Sara Silverstein on Benford’s Law. After sitting through the requisite ad, I became engrossed in Ms. Silverstein’s talk about...

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