我有包含列biweek和Total的数据,我想在biweek的基础上获得累计和。我的数据如下:
biweek Total
0 3060.913
1 4394.163
2 3413.748
3 2917.548
4 3442.055
5 3348.398
6 1771.722我想要得到如下输出:
biweek Total
0 3060.913
1 7455.076
2 10868.824
3 13786.372
4 17228.427
5 20576.825
6 22348.547那么有没有可能做到这一点呢?
发布于 2016-10-14 20:05:53
# replace the second column for the cumsum of the initial second column
data[, 2] <- cumsum(data[, 2])https://stackoverflow.com/questions/40042711
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