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To aggregated data into n-day (e.g. 8-day, 16-day) like MODIS product, a n-day flag is need.
add_dn(d, days = 8)
data.frame or data.table
Integer number or vector, can't have duplicated value.
# NOT RUN { date = seq.Date(as.Date("2010-01-01"), as.Date("2010-12-31"), by = "day") d <- data.frame(date) dnew <- add_dn(d, days = c(8, 16)) # }
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