Hierarchical clustering on Variables Part 2

Short Introduction

After this study we can extract five interesting groups.
On this groups we discover some interesting values.
Immigrant are not the cause of the violent crimes and are really interested to work on the country.
The unemployement , the poverty and the graduations of people are really the most direct impact on the violent crimes. An other fact is that black people are really unemployed. A more interesting thing to do if we imagine one day to decrease the violent criminality is to offer more jobs for black race as in south affrica.

First Group

PctHousNoPhone,PctIlleg,PctLess9thGrade,PctNotHSGrad,PctOccupManu,PctPopUnderPov,PctUnemployed,PctVacantBoarded,PctWOFullPlumb,pctWPubAsst,racepctblack,ViolentCrimesPerPop
We can note that this group is corresponding on poor people living without phone , not graduate, under poverty, unemployed or manual employment, with public assistance and in a city where a great part of house area vacant and boarded. A hard life environment.

Second Group

agePct12t21,agePct12t29,agePct16t24,agePct65up,FemalePctDiv,householdsize,MalePctDivorce,MalePctNevMarr,MedOwnCostPctInc,MedOwnCostPctIncNoMtg,MedRentPctHousInc,MedYrHousBuilt,PctEmplManu,PctEmplProfServ,PctHousLess3BR,PctImmigRec10,PctImmigRec5,PctImmigRec8,,,PctImmigRecent,PctSameHouse85,PctVacMore6Mos,PctWorkMom,PctWorkMomYoungKids,pctWRetire,pctWSocSec,PersPerFam,PersPerOccupHous,PersPerOwnOccHous,PersPerRentOccHous,TotalPctDiv
Correponding to big family and immigrants whose living in renting their house  , with unstability on mariage . Where the mom works.

Third Group

AsianPerCap,blackPerCap,HispPerCap,indianPerCap,medFamInc,medIncome,MedNumBR,MedRent,OwnOccHiQuart,OwnOccLowQuart,OwnOccMedVal,PctBSorMore,PctOccupMgmtProf,pctWFarmSelf,perCapInc,RentHighQ,RentLowQ,RentMedian,whitePerCap
Corresponding to a group of different ethny, renting , owner of their house . A stable situation.

Fourth Group

PctBornSameState,PctEmploy,PctFam2Par,PctHousOccup,PctHousOwnOcc,PctKids2Par,PctPersOwnOccup,PctSameCity85,PctSameState85,PctSpeakEnglOnly,PctTeen2Par,pctUrban,pctWInvInc,pctWWage,PctYoungKids2Par,racePctWhite
This group correspond to the perfect idea of a family: two childs, living on the same city/state, speaking in english, white race, owner of their house.

Fifth Group

HousVacant,LandArea,LemasPctOfficDrugUn,numbUrban,NumIlleg,NumImmig,NumInShelters,NumStreet,NumUnderPov,PctForeignBorn,PctLargHouseFam,PctLargHouseOccup,PctNotSpeakEnglWell,PctPersDenseHous,PctRecentImmig,PctRecImmig10,PctRecImmig5,PctRecImmig8,PctUsePubTrans,PopDens,population,racePctAsian,racePctHisp
Corresponding to a group with immigrant(Asian Hisp ...) living on density environment using public transport and not speaking english.