(~T∊T∘.×T)/T←1↓⍳R
More history and a full explanation of this code can be found at https://www.computerhistory.org/atchm/the-apl-programming-la... > 1. Mixed anxiety & depression is the most common mental disorder in Britain,
> with 7.8% of people meeting criteria for diagnosis.
> 2. 4-10% of people in England will experience depression in their lifetime.
> 3. Common mental health problems such as depression and anxiety are distributed
> according to a gradient of economic disadvantage across society. The poorer
> and more disadvantaged are disproprotionately[sic] affected by common mental health
> problems and their adverse consequences.
> 4. Mixed anxiety and depression has been estimated to cause one
> fifth of days lost from work in Britain.
> 5. One adult in six had a common mental disorder.
https://www.mentalhealth.org.uk/publications/fundamental-fac... [pdf] > During the campaign, Trump used Facebook to raise two
> hundred and eighty million dollars. Just days before
> the election, his team paid for a voter-suppression
> effort on the platform. According to Bloomberg
> Businessweek, it targeted three Democratic
> constituencies—“idealistic white liberals, young women,
> and African Americans”—sending them videos precisely
> tailored to discourage them from turning out for Clinton.
> Theresa Hong, the Trump campaign’s digital-content
> director, later told an interviewer, “Without Facebook
> we wouldn’t have won.”
[0] https://www.nice.org.uk/guidance