Hi,
You probably have Year stored as a factor. See below.
totsoc <- structure(list(Location = structure(c(1L, 1L, 1L, 1L, 1L, 1L,
1L, 1L, 1L, 1L), .Label = "SOUTH", class = "factor"), Year = 1998:2007,
Value = c(29L, 20L, 32L, 29L, 25L, 28L, 27L, 28L, 22L, 31L
)), .Names = c("Location", "Y
Hi Folks,
First, the important information.
> sessionInfo()
R version 2.12.1 (2010-12-16)
Platform: i386-pc-mingw32/i386 (32-bit)
Second, my problem.
I have a series of data sets comprised in the following format.
> totsoc
Location Year Value
1 SOUTH 199829
2 SOUTH 199920
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