Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

This is a preview. Log in through your library . Abstract Substantial improvements in the accuracy of nonparametric estimates are achieved when the centre of a symmetric distribution is known.

This is a preview. Log in through your library . Abstract For the problem of testing symmetry of the error distribution in a nonparametric regression model, we ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech and strategic finance ...