Created
June 11, 2017 11:16
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time series aggregation by different units in R using xts
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| library("xts") | |
| dt <- data.table( | |
| day = seq.Date(as.Date('2016-07-01'), by = 'day', length.out = 180), | |
| x = 1:180, | |
| y = 1001:1180 | |
| ) | |
| ts_data <- as.xts(dt) | |
| monthly_sums <- apply.monthly(ts_data, apply, 2, sum) |
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