Table 2 Variable selection techniques used in the integration of remote sensing and bioclimatic based variables
S.no | Variable selection methods | References |
|---|---|---|
1 | Correlation (Pearson, Kendall, Spearman) | Buermann et al. (2008); Engler et al. (2013); Gormley et al. (2011); Ng et al. (2018); Saatchi et al. (2008); Truong et al. (2017); Wakie et al. (2014); West et al. (2014); Zimmermann et al. (2007) |
2 | Principal component analysis | Deblauwe et al. (2016); Feilhauer et al. 2012; Jensen et al. (2020) |
3 | Variance inflation factor | Ahmadi et al. (2020); Ng et al. (2018); Shiferaw et al. (2019c) |
4 | Weighted mean fitted analysis approach | Shiferaw et al. (2019a) |
5 | Permutation importance | Wilson et al. (2013) |
6 | Expert knowledge |