Table 1.

Description of the genome scan methods used to detect candidate outlier SNPs

Method	R package	Categories	Correction for spatial or population structure	Data	# outliers detected (# unique)	Reference
Linear regression (LM)	LM	Linear model	No	Allele frequencies	129 (78)	R development Core Team
Redundancy Analysis (RDA)	vegan	Multivariate method	Yes	Allele frequencies	11 (0)	Legendre & Legendre 2012 [73]
Generalized linear spatial mixed models (gINLAnd)	gINLAnd	Mixed model	Yes	Read counts	7 (0)	Guillot et al. 2013 [49]
Latent factor mixed models (LFMMs)	LEA	Mixed model	Yes	Read counts	0 -	Frichot et al. 2013 [50]
Moran spectral outlier detection (MSOD)	PCNM and adespatial	Multivariate method	Yes	Allele frequencies	7 (1)	Wagner et al. 2017 [43]
Principal Component Analysis (PCadapt)	pcadapt	Multivariate method	No	Allele frequencies	88 (43)	Duforet-Frebourg et al. 2015 [74]