This work describes a Gaussian Markov random field model that includes several previously proposed models, and studies properties of their maximum likelihood (ML) and restricted maximum likelihood (REML) estimators in a special case. Specifically, for models where a particular relation holds...

We estimate carbon dioxide emissions for the 3401 electoral districts of the Republic of Ireland combining data from the Census, the Household Budget Survey, the National Accounts, Environmental Accounts, and the Labour Accounts. The source data is available for many countries, but we are not...