3D linear regression 1 3d linear regression 1 Chemical sensors 1 Correction models 1 Cost effectiveness 1 Cross sensitivity 1 Drift correction 1 Gas detectors 1 Gas-sensors 1 Gases 1 Humidity levels 1 MOX sensors 1 Metal oxide sensors 1 Metal-oxides gas sensors 1 Metallic compounds 1 Metals 1 Regression analysis 1 Sensor response 1 Temperature 1 Temperature and humidities 1 cross-sensitivity drift correction 1 humidity 1 temperature 1