search for: group_time

Displaying 1 result from an estimated 1 matches for "group_time".

Did you mean: group_name
2009 Jul 14
1
Problem with GroupedData
...  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 i try to use the 'groupedData' function with this new data frame via command below, it reported the problem stated after the command below.   library(nlme) tmp <- groupedData(Temp ~ d | Depth, data2, order.groups =...