The methods were as follows: multiple linear regression, random forest, support vector regression, and artificial neural networks.
Aðferðirnar voru eftirfarandi: margþætt línuleg aðhvarfsgreining (e. multiple linear regression), ræktun slembiskóga (e. random forest), stoðvigra aðhvarfsgreining (e. support vector regression) og gervitauganet (e. artificial neural networks).