I am trying to model the overall trend of the data set globtemp from the astsa R package with a polynomial: however, I am having problems creating the liner model.
Loading required package: zoo
Attaching package: 'zoo'
The following objects are masked from 'package:base':
plot(time~temperature, ylab="Temperature", main="Global Temperature Model")
Error in eval(predvars, data, env): object 'temperature' not found
Created on 2021-10-27 by the reprex package (v2.0.1)