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2005 Feb 02
2
Frequency of Data
...o has/had a similar problem. Maybe there's a ready-made function in R? The prob: I've imported a CSV-file into R with 1000 dates of an observed event (there's only information of the date. When there happend no event the date is not recorded, when there have been two events it's recordet twice). Now I want to COUNT the frequency of events in every month or year. The CSV-data is structured as: date 25.02.2003 29.07.1997 ... My desired output would be a matrix with n rows for the years and m columns for the month. How could a solution look like ? If the format is no matrix it...