[R] Adjusting two continuous variables by one continuous variable

Peter Tait peter at ccc.mcmaster.ca
Tue Aug 3 20:07:51 CEST 2004


I want to look at the relationship between 2 continuous/quantitative variables while adjusting for a third continuous variable. For example: relationship between height and weight adjusted for age.
As I understand it using a glm would work if I had a categorical variable (I could make age into a categories) but I am interested to know if anyone knows how I can do this analysis with out making age into categories.

Any help would be appreciated.

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