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[Leoteles]

1)When extracting 'Starting 11' events from event list, the result was not following the match_id order, and not any chronological order (like match_game or date)
As an exaple of the error:
In team.matches(for w==1), match_id n. 19758 happens only after match_id 19806.
But in events.list, match_id 19758 is after 19757. This list is ordered by id and not by date(or match_week). Thus, the error
This was fixed by imposing the order of the results to the order selected previously(match_date, or match_week).

2)Added dependencies: dplyr, ggplot

3)%!in% is now defined

4)The match week does not follow chronological order. So, it is best to sort by match date

[Leoteles]

The R code sent by Sudarshan is a blessing to the community.
Here I sugest some adjustments, mainly on line 156 (... which(names(event.list) %in% team.matches$match_id)
The result of this command follows the order of event.list, and not team.matches, losing the previously established math week order (here I also suggest using match date).
As a consequence, the rotation calculation gets compromised.

Other minor suggestions include importing needed library.

Cheers,
Leonardo Carvalho