[R-SIG-Finance] Problem with GroupedData
Brian G. Peterson
brian at braverock.com
Tue Jul 14 19:11:33 CEST 2009
Try sending this to r-help. This list is for finance related discussion,
and while your data may be finance data (even that isn't clear), you're
asking a novice R question that is unrelated to finance. Please direct
it to the appropriate forum.
> I have an original data frame with 8 columns of variables, which are stored in 'data1' frame.
> data1 <- read.csv("E:\\PHD GLASGOW UNIVERSITY\\Data\\R\\Colin\\Cailness21.csv")
>  "Date" "d" "m" "y" "Time"
>  "Depth" "Temp" "Group_Time"
> Recently, i try two add a column into this data frame, but when i try to use the 'groupedData' function with this new data frame via command below, it reported the problem stated after the command below.
> tmp <- groupedData(Temp ~ d | Depth, data2, order.groups = TRUE, labels = list(x = "Month", y = "Temperature"), units = list(y = "0C"))
> Error in nfGroupedData(formula = Temp ~ d | Depth, data = data2, order.groups = TRUE, :
> second argument to groupedData must inherit from data.frame
> Could someone help me to sort out on this problem, please?
> Thank you
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