Jfjelstul Worldcup Data-csv Appearances !link! Here

Using the appearances table, you must calculate time_played = (substitute_out - substitute_in) for each row. For players who played the full 90 (or 120), the logic is different.

For the analyst, this file is a playground of temporal logic. For the fan, it is a reminder that every minute on that pitch is a dataset of one. Load the CSV. Run the join. Ask who really worked the hardest. The answer is waiting in the rows of appearances.csv . jfjelstul worldcup data-csv appearances

Calculate the average minute of the first substitution per decade. Using the appearances table, you must calculate time_played

At first glance, it is merely a log of who played when. But look closer. This table is the structural engineering of football history. It tells you not just who won, but who endured. It captures the 89th-minute substitutions, the yellow card accumulation, the captains who played every second of extra time, and the reserves who never saw the pitch. For the fan, it is a reminder that