search for: number_of_years_to_average

...f the average of several years of the sums for step a I use tapply with the following call indices <- (list(year,spatial2,parameter) resultspatial <- tapply(value,indices,sum) for step b I use apply with the result of a and a function block_average block_average <- funcition(value,year,number_of_years_to_average) with the parameters value and years as vectors and number_of_years as integer. When I'm trying to skip the spatial aggregation, i.e. just do the block_averaging over years, I have the problem (AFIU the man page), that I can't provide the years vector as parameter to the function block_ave...