Table 5 Correlation coefficients for the... | Emerald Publishing

Table 5

Correlation coefficients for the increase stage

Normalisation method	Lime	Fly ash	Cement	Gypsum	Order of impact on UCS
Initialisation	0.949	0.930	0.930	0.833	Lime > cement ≈ fly ash > gypsum
Average	0.946	0.920	0.911	0.799	Lime > fly ash > cement > gypsum
Range	0.655	0.653	0.734	0.710	Cement > gypsum > lime ≈ fly ash
Minimisation	0.770	0.733	0.752	0.617	Lime > cement > fly ash > gypsum

Normalisation method	Lime	Fly ash	Cement	Gypsum	Order of impact on UCS
Initialisation	0.949	0.930	0.930	0.833	Lime > cement ≈ fly ash > gypsum
Average	0.946	0.920	0.911	0.799	Lime > fly ash > cement > gypsum
Range	0.655	0.653	0.734	0.710	Cement > gypsum > lime ≈ fly ash
Minimisation	0.770	0.733	0.752	0.617	Lime > cement > fly ash > gypsum