For easier reading, I left out all possible buckets and focused on interpreting the change_points_count. A significant trend change was detected on the March 12 — a day after GothamChess released the video, which makes sense as he lives in New York City and, therefore, the time zone impacts this. The detected type is a trend_change. Like before, the p-value is associated with a … [Read more...] about Measuring the impact of YouTube chess tutorials on the use of popular openings
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Insights into chess game trends: A detailed look at Lichess data
The two other options would be to use a runtime field, dissect the data away, and store a field timecontrol_base and timecontrol_increment with the information. Don’t forget to set the type long.Timecontrol_base:String custom=dissect('%{custom}+%{}').extract($('timecontrol', ''))?.custom;if (custom != null) { emit(Long.parseLong(custom));}Timecontrol_increment:String … [Read more...] about Insights into chess game trends: A detailed look at Lichess data