Fig. 6
From: Improvement of Grey System Model using Particle Swarm Optimization
![Fig. 6](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs43067-021-00036-9/MediaObjects/43067_2021_36_Fig6_HTML.png)
Forecast results for energy data for a printer, using the various models
From: Improvement of Grey System Model using Particle Swarm Optimization
Forecast results for energy data for a printer, using the various models