Remembering Chen Wen ?chen
(Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: Anne Chao,
Liza Levina Tags: Profiles Source Type: research
The tragedy � and legacy � of Chen Wen?chen
In 1981, Chen Wen-chen, a statistics professor at Carnegie Mellon University, left the USA to visit family in Taiwan. He never returned. Forty years on from his tragic and suspicious death, friends and former colleagues remember a promising young academic, whose contributions to statistics were cut short, but whose hopes for a democratic Taiwan were eventually realised.Margaret L. Smykla of Carnegie Mellon University takes up the story (Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: Margaret L. Smykla Tags: Profiles Source Type: research
The risk know ?how framework
Risk know-how is about informed decision-making. Every risk entails a trade-off with the benefits and costs of action or inaction, and we weigh these up to make a decision (Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Tags: Statscomm Source Type: research
Toc
(Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Tags: Contents Source Type: research
Editorial
Keeping up with the real — and virtual — world. (Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: Brian Tarran Tags: Notebook Source Type: research
News
(Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Tags: Notebook Source Type: research
Letters
(Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Tags: Letter Source Type: research
The iris data set: In search of the source of virginica
The iris data set is one of the best-known and most widely used data sets in statistics and data science. But the origins of at least part of the data have been something of a mystery for decades.Antony Unwin andKim Kleinman believe they have traced the source (Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: Antony Unwin,
Kim Kleinman Tags: Features Source Type: research
How “backtest overfitting” in finance leads to false discoveries
Financial investment strategies are often designed and tested using historical market data. But this can frequently give rise to “optimal” strategies that are statistical mirages and perform poorly out in the real world, asDavid H. Bailey andMarcos L ópez de Prado explain (Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: David H. Bailey,
Marcos L ópez de Prado Tags: Features Source Type: research
Addressing exaggeration of effects from single RCTs
Randomised controlled trials are often presented as the gold standard for testing new medical treatments. In the early stages of research, however, reports from single trials are likely to show exaggerated effect estimates.Erik van Zwet, Simon Schwab andSander Greenland explain why – and propose a remedy (Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: Erik van Zwet,
Simon Schwab,
Sander Greenland Tags: Features Source Type: research
The history of the data economy: Part IV: The future
Data is now the fuel that drives business – identifying potential markets, shaping new products and targeting consumers. This year,Significance has partnered withImpact, the magazine of the Market Research Society, to jointly publish a series exploring the past, present and future of the data economy. In this fourth and final part,Timandra Harkness considers what the coming years have in store for the data-driven industries (Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: Timandra Harkness Tags: Features Source Type: research
Scepticism, science and statistics
There is much public scepticism about the way science and statistics are used within government, saysIan L. Boyd, a former scientific adviser. But rather than close ranks against scepticism, the science professions within government should embrace it, he argues, and use it to test their own assumptions and motivations (Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: Ian L. Boyd Tags: Perspectives Source Type: research
Will this be a record ‐breaking century for human longevity?
The record for oldest human being was set in 1997 by Jeanne Calment of France at 122 years and 164 days.Michael Pearce andAdrian E. Raftery expect that record will be broken in the coming decades (Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: Michael Pearce,
Adrian E. Raftery Tags: Notebook Source Type: research
Florence Nightingale's “greatest feat”
A Nightingale family letter, dated 1857, sheds light on Florence's mathematical abilities, saysHugh Small (Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: Hugh Small Tags: Notebook Source Type: research
Chen Wen ‐chen's academic contributions
(Source: Significance)
Source: Significance - November 29, 2021 Category: Statistics Authors: Anne Chao Tags: Profiles Source Type: research
