What are the possible ways of rectifying a lack of fit test showing up as significant. Context: Optimization of lignocellulosic biomass acid hydrolysis (dilute acid) mediated by nanoparticles
If you could elaborate a bit more on what specific type of statistical analysis (e.g., path analysis or structural equation modeling?) and goodness of fit test (e.g., chi-square?) you used, perhaps somebody on Researchgate would be able to comment.