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    Regression model when correlations are low

    Hi, So I'm working on a dataset named "esoph" which is provided by default in RStudio. The dataset's aim is to find if there is a correlation between age, drinking, smoking and oesophageal cancer. There are 5 columns, 4 of which are numerical (agegp, alcgp, tobgp, ncontrols) and one which is...