Dear R users

I have basic knowledge of R and unaware of many more.

I am confused about how can I compare the result of two different models?
Have count data of plant species and want to correlate with altitude, rri,
pH, moisture, temperature etc. I have made some models using GLM of
different orders and I found 2nd order GLM significant than others. Now, I
wanted to check whether GAM is more robust than GLM.

Is it possible to test this in R? If yes, What are the parameters to be
focused for the comparison?

Thanks in advance

Dilli Rijal
Central Department of Botany
Biodiversity and environmental Management
Kathmandu, Nepal

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