Communication
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With A Little Help from My Friends
This article describes the importance of networking. It explains the strengths and weaknesses of strong and weak network links. It then it explains why becoming a friend of the section is the easiest and least commital way to network among actuarial peers. -
Reproducible Research
This article summarizes use of programming collaboration tools and source and version control (SVC) to make research products reproducible. -
The Probability Principle of Group Testing: The Full-Scale Nucleic Acid Testing in Tianjin
On January 9 2022, a full-scale nucleic acid testing in Tianjin was launched. Over 10 millions of people were tested with the results announced within 2 days. The speedy efficiency was partly due to group testing with 10 persons per group. With this background, the aim of this article is to explain the probabilistic principle underlying group testing. To make the expository vivid, some numerical results and figures were provided using R language, a popular software in actuarial science and statistics.
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