Model Calibration and Validation

摘要: Model calibration refers to the definition of all countries and products, choice a base year, assembly checking data for estimation various parameters global forest products model (GFPM). Validation involves comparing prediction with actual outcomes in past judging suitability different purposes. The version GFPM described this chapter deals 180 individual 14 products. This level resolution was chosen facilitate verification, since most international are collected at country level. Calculating projections by also facilitates review criticism projections, because expert knowledge is more available than aggregate regional or levels. Making world instead only few aggregated regions main required Food Agriculture Organization United Nations (FAO). considered correspond product groups used FAO its statistical work.