Displaying 1 result from an estimated 1 matches for "x07_00400_cd".
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x06_00300_cd
2011 Aug 26
1
Time Series data with data every half hour
...t; names(shavers)
[1] "agency_cd" "site_no" "datetime" "tz_cd" "Temp"
[6] "X04_00010_cd" "EC25" "X05_00095_cd" "DO"
"X06_00300_cd"
[11] "pH" "X07_00400_cd"
> as.POSIXct(shavers[1,3])
[1] "2011-04-27 EDT"
> as.POSIXct(shavers[nrow(shavers),3])
[1] "2011-08-25 23:00:00 EDT"
> temp=ts(shavers[,5],as.POSIXct(shavers[1,3]),frequency=48)
Error in attr(data, "tsp") <- c(start, end, frequency) :
invali...