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r_ec01
2010 Jun 16
2
data frame
...39;m trying to build the time series of the variables by applying the following formulas in a recursive way(by starting from the value of R_pivot at time 2007)
R_EC01(2006)=R_EC01(2007)-Delta_EC01(2007)
R_EC01(2005)=R_EC01(2006)-Delta_EC01(2006)
In terms of number I would have:
R_EC01(2006)=5-4=1
R_eco1(2005)=1-2=-1
And the same should be done for variable EC02. In addition, this calculations should be down grouping by variable e cluster..so the result should be
CLUSTER YEAR variable series
M1 2005 EC01 -1
M1...