I am trying to run a loop where I can sum parts of a matrix. For example, I want at each step in the loop to sum the the next 4-values of a vector. I tried to do the following but the result were wrong: for (i in 4:T) { data_q[i-3,]=sum(data_m[i-3,]:data_m[i,]) } can anyone please direct me on what should I do to run this loop properly Thanks in advance [[alternative HTML version deleted]]
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