Anybody have resources (article) for predicting via logistic regression modelling for an environmental contaminant above a threshold concentration?

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Ade Kurniawan

I wonder, should this be considered as classification problem? Why don't use linear regression to predict the concentration? If the number predicted by the model is above the threshold, then we know that it is highly contaminated.

Jill Lundell

What does your data look like? What does the response represent and what are your predictors? I am a statistician who specializes in classification, but I also work in environmental remediation so with a little more information I can probably help you out.