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45772
2012 Feb 13
2
finding and describing missing data runs in a time series
Hi -
I am trying to find and describe missing data in a time series. For instance, in the library openair, there is a data frame called "mydata":
library(openair)
head(mydata)
date ws wd nox no2 o3 pm10 so2 co pm25
1 1998-01-01 00:00:00 0.60 280 285 39 1 29 4.7225 3.3725 NA
2 1998-01-01 01:00:00 2.16 230 NA NA NA 37 NA NA NA
3 1998-01-01 02:00:00