run( rez ) {

    const sectionTotals = { };
    _.each(rez, function(val, key) {
      if (_.isArray( val ) && !_.isString(val)) {
        return sectionTotals[ key ] = val.length;
      } else if (val.history && _.isArray( val.history )) {
        return sectionTotals[ key ] = val.history.length;
      } else if (val.sets && _.isArray( val.sets )) {
        return sectionTotals[ key ] = val.sets.length;
      }
    });

    return {
      totals: sectionTotals,
      numSections: Object.keys( sectionTotals ).length
    };
  }
Run the Totals Inspector on a resume.
  @method run
  @return An object containing summary information for each section on the
  resume.