Publications by Trinostics LLC
Benford’s Law in R (cont.): Actual Data
This is the second post based on Sara Silverstein’s blog on Benford’s Law. Previously we duplicated the comparison of the proportion of first digits from a series of randomly generated numbers, and successive arithmetic operations on those numbers, and saw that the the more complicated the operation, the closer the conformance.In...
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October 2016 BARUG Meeting
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, yours truly, reena...
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ChainLadder version 0.2.3 available on CRAN
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 (origin period) of...
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CAS RPM: Installing & running Rattle in RStudio
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 link. Technical...
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How to start a new package with testing in R
# 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 setwd(“foo”) usethis::use_testthat() # Add your first test function to at least get so...
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How to start a new package with testing in R
# 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 in th...
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