[Retracted] Process Optimization for Development of Guar Gum-Based Biodegradable Hydrogel Film Using Response Surface Methodology

Table 1

Coded and actual values of independent variables.

Independent variables	Notation used	Coded and actual values
		−1	0	1
Initiator (mg/100 mL GS)	X1	0.05	0.10	0.15
Cross linker (mg/100 mL GS)	X2	0.02	0.05	0.08
Glycerol (mL/100 mL GS)	X3	2	4	6