# Navigate where you want your folder to be locatedsetwd("C:/Users/chief/Documents/Github")# Assumes usethis is installedusethis::create_package("foo")# Say yes or no to next (annoying) popup window, it doesn't matter.# Add a test environmentsetwd("foo")usethis::use_testthat()# Add first test function to at least get something ... [Read more...]

# Navigate where you want your folder to be located setwd("C:/Users/chief/Documents/Github") # Assumes usethis is installed usethis::create_package("foo") # Say yes or no to next (annoying) popup window, it doesn't matter. # Add a test environment setw... [Read more...]

At the Ratemaking and Product Management (RPM) seminar of the Casualty Actuarial Society (CAS) in San Diego last month, Linda Brobeck, Peggy Brinkmann, and yours truly gave a concurrent session on a machine learning technique called decision tree analysis. See the DSPA-2 session -- and other sessions -- at this ... [Read more...]

ChainLadder is an R package for actuarial analysis of General / Property & Casualty insurance reserves. Version 0.2.3 on CRAN is is the first update in about a year. For the most part, the new version expands upon existing capabilities, as illustrated in the News vignette. Two of the most important arethe rownames (... [Read more...]

The October meeting of the San Francisco Bay Area R User Group held at Santa Clara University consisted of socializing, an intro, and three speakers. In the intro, host representative Sanjiv Das highlighted the curriculum and advisory board of the school's new MS in Business Analytics program. The first speaker, ... [Read more...]

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This is the best explanation I've found of how to collaborate on someone else's repository. Bonus! it's a video: [Read more...]

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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 ... [Read more...]

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 ... [Read more...]

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 ... [Read more...]

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 necess... [Read more...]

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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 ... [Read more...]

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. [Read more...]