Displaying 1 result from an estimated 1 matches for "usc00021001".
2011 Jul 27
1
Executing for loop by grouping variable within dataframe
Dear list,
I have a large dataset which is structured as follows:
locality=c("USC00020958", "USC00020958", "USC00020958", "USC00020958",
"USC00020958", "USC00021001","USC00021001", "USC00021001", "USC00021001",
"USC00021001", "USC00021001")
temp.a=c(-1.2, -1.2, -1.2, -1.2, -1.1, -2.2, -2.4, -2.6,-2.7, -2.8, -3.0)
month= c(12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11)
day= c(27, 28, 29, 30, 31, 1, 2, 3,...