thanks for the time to read this question.
to me not is clear the concept of Radiactivity measures. how to get the most popular article in one day? I must use the half-life in 43200 seconds (12 hours)? when change this results? (each day in this case?), what's happen if I Cut-off energy to 0?. where is stored this results if I want a report per days?
thanks in advance.