rajs# of Days Active By Developer Category
    Updated 2023-01-25
    SELECT
    date,
    avg(no_of_days) as avg_no_of_days,
    median(no_of_days) as median_no_of_days,
    percentile_cont(0.2) within group (order by no_of_days) as "bottom_20_pct",
    percentile_cont(0.4) within group (order by no_of_days) as "bottom_40_pct",
    percentile_cont(0.6) within group (order by no_of_days) as "top_40_pct",
    percentile_cont(0.8) within group (order by no_of_days) as "top_20_pct"
    FROM
    (
    SELECT
    date_trunc('month', updatedat) as date,
    author,
    count(distinct date_trunc('day', updatedat)) as no_of_days
    from near.beta.github_activity
    group by 1,2
    )
    group by 1
    order by 1
    Run a query to Download Data