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我有數據幀:滾動平均值與rcpproll
email date_ts total duration
email1 2017-02-15 98.80 31990
email1 2017-02-16 59.52 60622
email1 2017-02-17 72.93 98105
email2 2017-02-18 54.45 29293
email2 2017-02-19 36.86 20157
email2 2017-02-25 18.66 7815
email2 2017-03-03 4.61 2407
email2 2017-03-04 180.91 182524
email3 2017-03-05 16.13 7121
email3 2017-03-24 25.65 2412
等等...
我需要計算與庫RcppRoll均線。我嘗試:
df <- df%>%group_by(email)%>%mutate(avg = roll_mean(total, 2, na.rm=TRUE, align="right", normalize = TRUE))%>%ungroup()
但有一個錯誤:在mutate_impl誤差(。數據,點): 不相容尺寸(12),期望13(組大小)或1