Displaying 1 result from an estimated 1 matches for "cailness21".
2009 Jul 14
1
Problem with GroupedData
Hi,
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")
attach(data1)
names(data1)
[1] "Date" "d" "m" "y" "Time"
[6] "Depth" "Temp" "Group_Time"
Recently, i try two add a column into this data frame, but when...