Last week I amused myself with the Statistical Kit for the Olympic Football Tournament in London. It is 56 pages of statistics on the Men's Olympic Football Tournament, produced by the FIFA Division Communications & Public Affairs. It can be found here: http://www.fifa.com/mensolympic/organisation/documents/index.html. Very interesting, and nice that it's public available, thumbs up.
Very well. At the last page of the report you find following diagram.
Which indicated a positive correlation between goals scored and yellow cards. Is this a coincidence or a pattern for further investigation?
I have checked the counts for the European Championships and World Cups in same period. Sources are www.uefa.com and www.fifa.com.
The Euro and World Cup graphs don't display the same pattern as the Olympics graph, so correlation between goals scored and yellow cards is unlikely. A correlation plot should support this statement, but in order to compare data from the three different tournaments in one diagram, we should divide the series by games played.
Very well. At the last page of the report you find following diagram.
Which indicated a positive correlation between goals scored and yellow cards. Is this a coincidence or a pattern for further investigation?
I have checked the counts for the European Championships and World Cups in same period. Sources are www.uefa.com and www.fifa.com.
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