abstract = "As symbolic regression (SR) has advanced into the
early stages of commercial exploitation, the poor
accuracy of SR still plagues even advanced commercial
packages, and has become an issue for industrial users.
Users expect a correct formula to be returned,
especially in cases with zero noise and only one basis
function with minimal complexity. At a minimum, users
expect the response surface of the SR tool to be easily
understood, so that the user can know a priori on what
classes of problems to expect excellent, average, or
poor accuracy. Poor or unknown accuracy is a hindrance
to greater academic and industrial acceptance of SR
tools. In several previous papers, we presented a
complex algorithm for modern SR, which is extremely
accurate for a large class of SR problems on noiseless
data. Further research has shown that these extremely
accurate SR algorithms also improve accuracy in noisy
circumstances, albeit not extreme accuracy. Armed with
these SR successes, we naively thought that",