Table 3.

Abbreviations of the methods used throughout this review.

Abbreviation	Method	Reference
GON	Reproducing kernel Hilbert space and penalized likelihood	González et al. (2013)
RAM	Splines and hierarchical regularization	Ramsay et al. (2007)
INF	Inference of the gradient mismatch parameter using GPs	Dondelinger et al. (2013)
LB2	Tempered mismatch parameter using GPs in log base 2 increments	Macdonald and Husmeier (2015)
LB10	Tempered mismatch parameter using GPs in log base 10 increments	Macdonald and Husmeier (2015)
C&S	Tempered mismatch parameter using splines- based smooth functional tempering (SFT)	Campbell and Steele (2012)