module.exports = {
  HIERARCHY: 'hierarchy',
  GEO: 'geo',
  HEX: 'hex',
  GRAPH: 'graph',
  TABLE: 'table',
  GEO_GRATICULE: 'geo-graticule',
  STATISTICS_METHODS: [
    'max',
    'mean', // alias: average
    'median',
    'min',
    'mode',
    'product',
    'standardDeviation',
    'sum',
    'sumSimple',
    'variance'
  ]
};