How should be handled left censored data (under detection limits) in a variable that we want to use as a regressor in logistic regression? What's is the best approach?. Is there any way of doing this using SPSS or Statgraphics? Thanks in advance for your responses.
Dear José Luis Palazón F ,
I hope these papers might be very helpful to you.
https://clu-in.org/conf/tio/ltmo/Nondetects_handout.pdf
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3375355/
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1408541/
https://sph.umich.edu/dioxin/PDF/OsloPosters/poster_%20belowLOD.pdf
Dear José Luis Palazón F ,
I hope these papers might be very helpful to you.
https://clu-in.org/conf/tio/ltmo/Nondetects_handout.pdf
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3375355/
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1408541/
https://sph.umich.edu/dioxin/PDF/OsloPosters/poster_%20belowLOD.pdf
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