Dear R community,



I used a linear mixed model (named lm11) to model daily soil temperature
depending upon vegetation cover and air temperature. I have almost 17,000
observations for six years.



I can not account for autocorrelation in my model, since I receive the error
message after applying the function:



update(lm11, corr=corAR1())



Error: cannot allocate vector of size 220979 Kb



Do you have any suggestions?



Thanks, Julia

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