@RDBinns On the topic of validation, you might like this short paper: https://t.co/UoBUjfwzOt It's mostly geared towards clinical prediction models but applies more generally to predictive modelling.
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Variation in performance over different target populations, or different time periods and places (eg, different centres or countries), is to be expected and so remember a model can never be proven to be always valid (nor should we expect it to be) —> ht
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RT @MaartenvSmeden: NEW PAPER Title says it all: there is no such thing as a validated prediction model https://t.co/s5q1QNUboC https://…
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RT @BMCMedicine: Evidence of questionable research practices in clinical #predictionmodel exposed by @nicolem_white @aidybarnett https://t…