Variable | Numerator | Denominator |

G-Rate Mean | Sum of G-rates per block | Number of cases per block |

Units Mean | Sum of units per block | Number of cases per block |

Population | - | - |

Low Income Level Ratio | Xi - Min level | Max level - Min level |

High education Rate | Number of High Educated Peoples | Number of Peoples above 18 |

Immigrant Rate | Number of immigrants | Total Population |

Unemployment Rate | Number of unemployed | Labor Force |

Non-apartment Ratio | Number of Non apartment Buildings | Number of Households |