/** * Return the economy domain z-values for the selected city and its average * @param string $cityName name of the selected city * @return array $cityValues it contains the z-values and a z-values average */ public function economyDomain($cityName) { if (isset($cityName)) { if (strcmp($cityName, '') != 0) { $economy = new EconomyController(); //Get the z-value for gross domestic product (GDP) $cityGdp = $economy->cityGdp(); //Get the z-value for Gross value added (GVA) $cityGva = $economy->cityGva(); //Get the z-value for amount of companies $cityCompanies = $economy->cityCompanies(); $cityEconomyInfo = array("Número de estabelecimentos" => $cityCompanies[$cityName], "PIB" => $cityGdp[$cityName], "Valor Adicionado Bruto" => $cityGva[$cityName]); $cityEconomyValues = CityProfileController::mergeAverage($cityEconomyInfo); return $cityEconomyValues; } } return 0; }
/** * It will calculate the average of the z-values for Economy * @return return the average of z-values by key field of each city */ public function economyKeyField() { $economy = new EconomyController(); //Get the z-value for gross domestic product (GDP) $cityGdp = $economy->cityGdp(); //Get the z-value for Gross value added (GVA) $cityGva = $economy->cityGva(); //Get the z-value for amount of companies $cityCompanies = $economy->cityCompanies(); //sum z-values $sumZvalues = array_map(array($this, "sumCityValues"), $cityGdp, $cityGva, $cityCompanies); //Divide the sum of z-values to obtain the z-values average of each city $zValuesAvg = array_map(array($this, "divideKeyFields"), $sumZvalues, array_fill(0, count($sumZvalues), 3)); //combine the array keys(cities'name) with the average of z-values gotten $zValuesAvg = array_combine(array_keys($cityCompanies), array_values($zValuesAvg)); return $zValuesAvg; }