Hey all,

I would like to know if anyone, can put in the right direction of the following 
problem:

I am currently want to use it to check if a column with a length of 61327 is 
consistent over an 1 to 157 interval until the end of the column. In the case 
the interval is interrupted I want to know which values are missing and where 
the missing values are located. I started of with the following code to assign 
1s, if we have a number ≤ 157 and 0 if not.



I tried to do a double loop:



    n=61327
    Control = matrix(
    0,
    nrow = n,
    ncol = 1)



    for (i in length(FD$WEEK)) {
    for (j in 1:157) {
    if(FD$WEEK[j] <=  157) {
      Control[,1] = 1
    } else {
      Control[,1] = 0
      }
    }
    }



I believe that this code is not correct, but I am unable to wrap my head around 
how I can check that the interval always will be followed.

All the best,

Christoph


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