Jfjelstul Worldcup Data-csv Appearances 〈Windows〉

This is the story of the appearances.csv file—a relational goldmine that turns abstract match results into tangible human performance. Before we dive into queries, we must understand the granularity. In the jfjelstul/worldcup model, appearances.csv is a fact table linking players to matches. It contains approximately 4,000+ rows (depending on the latest update), covering every World Cup from 1930 to 2022.

SELECT player_name, team, SUM(minutes_played) as total_minutes FROM appearances WHERE tournament = '2022' GROUP BY player_id ORDER BY total_minutes DESC Goalkeepers and center-backs from finalists dominate. In 2022, Emiliano Martínez (Argentina) or Hugo Lloris (France) would top the list with ~690+ minutes. But the real magic is historical: In 2014, Manuel Neuer played every single minute of Germany’s run, including the final. 3. The Tactical Insight: Substitution Dynamics Over Time The substitute_in and substitute_out columns allow you to map the evolution of tactics. Before 1970, substitutions were practically non-existent (injury only). By 2022, five substitutions were allowed. jfjelstul worldcup data-csv appearances

In the ecosystem of sports data science, few repositories are as meticulously maintained or as democratically accessible as Joshua Fjelstul’s jfjelstul/worldcup database. While the goals.csv file gets the glory and the matches.csv file provides the narrative spine, there is one table that captures the raw, human cost of the World Cup: appearances.csv . This is the story of the appearances

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 . It contains approximately 4,000+ rows (depending on the

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.