In a new study published in the Lancet, Watson et al. estimate that by the end of 2021, the Covid-19 vaccines have prevented an estimated 14.4 million deaths (with a 95% credible interval of between 13.7- 15.9 million deaths) . The estimate would rise to 19.8 million (19.1 - 20.4 million 95% CrI) if they … Continue reading Study estimates that the Covid-19 vaccines saved 15 million lives last year
Month: June 2022
Multi-armed bandits, and the Duolingo example
Duolingo, the company behind the famous language learning app, face a similar challenge to the majority of companies whose existence largely depends on usage of an app or website. They want to promote "user engagement". That's to say it's in their interest - and fortunately in this case also in the interest of their customers … Continue reading Multi-armed bandits, and the Duolingo example
Dabbling with Data 