v3cum

  1. S

    Cumulative Sum untill a value reached and reset

    I have a data set look like <tbody> Road_ID V1 V1cum V2 V2cum V3 V3cum 1 2 2 0 0 1 1 1 4 6 3 3 1 2 1 3 9 4 7 4 6 1 3 12 2 9 1 7 2 0 0 4 4 2 2 2 3 3 3 7 2 4 2 4 7 1 8 3 7 2 1 8 3 11 1 8 2 0 8 2 13 4 12 2 2 10 1 14 0 12 </tbody> each Road_ID has several rows. V1cum, V2cum...

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