Modelling

On 20 Feb 2023 I did this live interview with James Freeman on TNT Radio, discussing Bayesian probability, PCR testing, increased cardiovascular…
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An exposition on models and variables that might explain excess deaths.
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How do we calculate the probability of causation?
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Flawed Covid definitions, data and modellingWatch now (35 mins) | An end of year review
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Hugh Osmond recently put out this interesting twitter thread: Although the average age of death in the UK is around 82, if a person reaches 82 then on…
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The full pdf version of the following article (which includes the Appendix) can be found here. Paradoxes in the reporting of Covid19 vaccine…
Let's suppose that a museum decides to spend money in Sept 2020 advertising for new members. To see if the advert has worked you manage to find the data…
In a new paper we extend the recent work by Griffith et al which highlights how ‘collider bias’ in studies of COVID19 undermines our understanding of…
Last week we wrote about the importance of causal explanations for differences between countries' COVID-19 death rates, and the need for more random…
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Coronavirus: country comparisons are pointless unless we account for these biases in testing Norman Fenton, Queen Mary University of London; Magda…
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We know some strawberry flavoured sweets are contaminated. But, if wrapper colour is not a reliable indicator of the flavour of sweet it contains, what…
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