Attribute Information: (122 predictive, 5 non-predictive, 1 goal) -- state: US state (by number) - not counted as predictive above, but if considered, should be consided nominal (nominal) -- county: numeric code for county - not predictive, and many missing values (numeric) -- community: numeric code for community - not predictive and many missing values (numeric) -- communityname: community name - not predictive - for information only (string) -- fold: fold number for non-random 10 fold cross validation, potentially useful for debugging, paired tests - not predictive (numeric) -- population: population for community: (numeric - decimal) -- householdsize: mean people per household (numeric - decimal) -- racepctblack: percentage of population that is african american (numeric - decimal) -- racePctWhite: percentage of population that is caucasian (numeric - decimal) -- racePctAsian: percentage of population that is of asian heritage (numeric - decimal) -- racePctHisp: percentage of population that is of hispanic heritage (numeric - decimal) -- agePct12t21: percentage of population that is 12-21 in age (numeric - decimal) -- agePct12t29: percentage of population that is 12-29 in age (numeric - decimal) -- agePct16t24: percentage of population that is 16-24 in age (numeric - decimal) -- agePct65up: percentage of population that is 65 and over in age (numeric - decimal) -- numbUrban: number of people living in areas classified as urban (numeric - decimal) -- pctUrban: percentage of people living in areas classified as urban (numeric - decimal) -- medIncome: median household income (numeric - decimal) -- pctWWage: percentage of households with wage or salary income in 1989 (numeric - decimal) -- pctWFarmSelf: percentage of households with farm or self employment income in 1989 (numeric - decimal) -- pctWInvInc: percentage of households with investment / rent income in 1989 (numeric - decimal) -- pctWSocSec: percentage of households with social security income in 1989 (numeric - decimal) -- pctWPubAsst: percentage of households with public assistance income in 1989 (numeric - decimal) -- pctWRetire: percentage of households with retirement income in 1989 (numeric - decimal) -- medFamInc: median family income (differs from household income for non-family households) (numeric - decimal) -- perCapInc: per capita income (numeric - decimal) -- whitePerCap: per capita income for caucasians (numeric - decimal) -- blackPerCap: per capita income for african americans (numeric - decimal) -- indianPerCap: per capita income for native americans (numeric - decimal) -- AsianPerCap: per capita income for people with asian heritage (numeric - decimal) -- OtherPerCap: per capita income for people with 'other' heritage (numeric - decimal) -- HispPerCap: per capita income for people with hispanic heritage (numeric - decimal) -- NumUnderPov: number of people under the poverty level (numeric - decimal) -- PctPopUnderPov: percentage of people under the poverty level (numeric - decimal) -- PctLess9thGrade: percentage of people 25 and over with less than a 9th grade education (numeric - decimal) -- PctNotHSGrad: percentage of people 25 and over that are not high school graduates (numeric - decimal) -- PctBSorMore: percentage of people 25 and over with a bachelors degree or higher education (numeric - decimal) -- PctUnemployed: percentage of people 16 and over, in the labor force, and unemployed (numeric - decimal) -- PctEmploy: percentage of people 16 and over who are employed (numeric - decimal) -- PctEmplManu: percentage of people 16 and over who are employed in manufacturing (numeric - decimal) -- PctEmplProfServ: percentage of people 16 and over who are employed in professional services (numeric - decimal) -- PctOccupManu: percentage of people 16 and over who are employed in manufacturing (numeric - decimal) ######## -- PctOccupMgmtProf: percentage of people 16 and over who are employed in management or professional occupations (numeric - decimal) -- MalePctDivorce: percentage of males who are divorced (numeric - decimal) -- MalePctNevMarr: percentage of males who have never married (numeric - decimal) -- FemalePctDiv: percentage of females who are divorced (numeric - decimal) -- TotalPctDiv: percentage of population who are divorced (numeric - decimal) -- PersPerFam: mean number of people per family (numeric - decimal) -- PctFam2Par: percentage of families (with kids) that are headed by two parents (numeric - decimal) -- PctKids2Par: percentage of kids in family housing with two parents (numeric - decimal) -- PctYoungKids2Par: percent of kids 4 and under in two parent households (numeric - decimal) -- PctTeen2Par: percent of kids age 12-17 in two parent households (numeric - decimal) -- PctWorkMomYoungKids: percentage of moms of kids 6 and under in labor force (numeric - decimal) -- PctWorkMom: percentage of moms of kids under 18 in labor force (numeric - decimal) -- NumIlleg: number of kids born to never married (numeric - decimal) -- PctIlleg: percentage of kids born to never married (numeric - decimal) -- NumImmig: total number of people known to be foreign born (numeric - decimal) -- PctImmigRecent: percentage of _immigrants_ who immigated within last 3 years (numeric - decimal) -- PctImmigRec5: percentage of _immigrants_ who immigated within last 5 years (numeric - decimal) -- PctImmigRec8: percentage of _immigrants_ who immigated within last 8 years (numeric - decimal) -- PctImmigRec10: percentage of _immigrants_ who immigated within last 10 years (numeric - decimal) -- PctRecentImmig: percent of _population_ who have immigrated within the last 3 years (numeric - decimal) -- PctRecImmig5: percent of _population_ who have immigrated within the last 5 years (numeric - decimal) -- PctRecImmig8: percent of _population_ who have immigrated within the last 8 years (numeric - decimal) -- PctRecImmig10: percent of _population_ who have immigrated within the last 10 years (numeric - decimal) -- PctSpeakEnglOnly: percent of people who speak only English (numeric - decimal) -- PctNotSpeakEnglWell: percent of people who do not speak English well (numeric - decimal) -- PctLargHouseFam: percent of family households that are large (6 or more) (numeric - decimal) -- PctLargHouseOccup: percent of all occupied households that are large (6 or more people) (numeric - decimal) -- PersPerOccupHous: mean persons per household (numeric - decimal) -- PersPerOwnOccHous: mean persons per owner occupied household (numeric - decimal) -- PersPerRentOccHous: mean persons per rental household (numeric - decimal) -- PctPersOwnOccup: percent of people in owner occupied households (numeric - decimal) -- PctPersDenseHous: percent of persons in dense housing (more than 1 person per room) (numeric - decimal) -- PctHousLess3BR: percent of housing units with less than 3 bedrooms (numeric - decimal) -- MedNumBR: median number of bedrooms (numeric - decimal) -- HousVacant: number of vacant households (numeric - decimal) -- PctHousOccup: percent of housing occupied (numeric - decimal) -- PctHousOwnOcc: percent of households owner occupied (numeric - decimal) -- PctVacantBoarded: percent of vacant housing that is boarded up (numeric - decimal) -- PctVacMore6Mos: percent of vacant housing that has been vacant more than 6 months (numeric - decimal) -- MedYrHousBuilt: median year housing units built (numeric - decimal) -- PctHousNoPhone: percent of occupied housing units without phone (in 1990, this was rare!) (numeric - decimal) -- PctWOFullPlumb: percent of housing without complete plumbing facilities (numeric - decimal) -- OwnOccLowQuart: owner occupied housing - lower quartile value (numeric - decimal) -- OwnOccMedVal: owner occupied housing - median value (numeric - decimal) -- OwnOccHiQuart: owner occupied housing - upper quartile value (numeric - decimal) -- RentLowQ: rental housing - lower quartile rent (numeric - decimal) -- RentMedian: rental housing - median rent (Census variable H32B from file STF1A) (numeric - decimal) -- RentHighQ: rental housing - upper quartile rent (numeric - decimal) -- MedRent: median gross rent (Census variable H43A from file STF3A - includes utilities) (numeric - decimal) -- MedRentPctHousInc: median gross rent as a percentage of household income (numeric - decimal) -- MedOwnCostPctInc: median owners cost as a percentage of household income - for owners with a mortgage (numeric - decimal) -- MedOwnCostPctIncNoMtg: median owners cost as a percentage of household income - for owners without a mortgage (numeric - decimal) -- NumInShelters: number of people in homeless shelters (numeric - decimal) -- NumStreet: number of homeless people counted in the street (numeric - decimal) -- PctForeignBorn: percent of people foreign born (numeric - decimal) -- PctBornSameState: percent of people born in the same state as currently living (numeric - decimal) -- PctSameHouse85: percent of people living in the same house as in 1985 (5 years before) (numeric - decimal) -- PctSameCity85: percent of people living in the same city as in 1985 (5 years before) (numeric - decimal) -- PctSameState85: percent of people living in the same state as in 1985 (5 years before) (numeric - decimal) -- LemasSwornFT: number of sworn full time police officers (numeric - decimal) -- LemasSwFTPerPop: sworn full time police officers per 100K population (numeric - decimal) -- LemasSwFTFieldOps: number of sworn full time police officers in field operations (on the street as opposed to administrative etc) (numeric - decimal) -- LemasSwFTFieldPerPop: sworn full time police officers in field operations (on the street as opposed to administrative etc) per 100K population (numeric - decimal) -- LemasTotalReq: total requests for police (numeric - decimal) -- LemasTotReqPerPop: total requests for police per 100K popuation (numeric - decimal) -- PolicReqPerOffic: total requests for police per police officer (numeric - decimal) -- PolicPerPop: police officers per 100K population (numeric - decimal) -- RacialMatchCommPol: a measure of the racial match between the community and the police force. High values indicate proportions in community and police force are similar (numeric - decimal) -- PctPolicWhite: percent of police that are caucasian (numeric - decimal) -- PctPolicBlack: percent of police that are african american (numeric - decimal) -- PctPolicHisp: percent of police that are hispanic (numeric - decimal) -- PctPolicAsian: percent of police that are asian (numeric - decimal) -- PctPolicMinor: percent of police that are minority of any kind (numeric - decimal) -- OfficAssgnDrugUnits: number of officers assigned to special drug units (numeric - decimal) -- NumKindsDrugsSeiz: number of different kinds of drugs seized (numeric - decimal) -- PolicAveOTWorked: police average overtime worked (numeric - decimal) -- LandArea: land area in square miles (numeric - decimal) -- PopDens: population density in persons per square mile (numeric - decimal) -- PctUsePubTrans: percent of people using public transit for commuting (numeric - decimal) -- PolicCars: number of police cars (numeric - decimal) -- PolicOperBudg: police operating budget (numeric - decimal) -- LemasPctPolicOnPatr: percent of sworn full time police officers on patrol (numeric - decimal) -- LemasGangUnitDeploy: gang unit deployed (numeric - decimal - but really ordinal - 0 means NO, 1 means YES, 0.5 means Part Time) -- LemasPctOfficDrugUn: percent of officers assigned to drug units (numeric - decimal) -- PolicBudgPerPop: police operating budget per population (numeric - decimal) -- ViolentCrimesPerPop: total number of violent crimes per 100K popuation (numeric - decimal) GOAL attribute (to be predicted) Summary Statistics: Min Max Mean SD Correl Median Mode Missing population 0 1 0.06 0.13 0.37 0.02 0.01 0 householdsize 0 1 0.46 0.16 -0.03 0.44 0.41 0 racepctblack 0 1 0.18 0.25 0.63 0.06 0.01 0 racePctWhite 0 1 0.75 0.24 -0.68 0.85 0.98 0 racePctAsian 0 1 0.15 0.21 0.04 0.07 0.02 0 racePctHisp 0 1 0.14 0.23 0.29 0.04 0.01 0 agePct12t21 0 1 0.42 0.16 0.06 0.4 0.38 0 agePct12t29 0 1 0.49 0.14 0.15 0.48 0.49 0 agePct16t24 0 1 0.34 0.17 0.10 0.29 0.29 0 agePct65up 0 1 0.42 0.18 0.07 0.42 0.47 0 numbUrban 0 1 0.06 0.13 0.36 0.03 0 0 pctUrban 0 1 0.70 0.44 0.08 1 1 0 medIncome 0 1 0.36 0.21 -0.42 0.32 0.23 0 pctWWage 0 1 0.56 0.18 -0.31 0.56 0.58 0 pctWFarmSelf 0 1 0.29 0.20 -0.15 0.23 0.16 0 pctWInvInc 0 1 0.50 0.18 -0.58 0.48 0.41 0 pctWSocSec 0 1 0.47 0.17 0.12 0.475 0.56 0 pctWPubAsst 0 1 0.32 0.22 0.57 0.26 0.1 0 pctWRetire 0 1 0.48 0.17 -0.10 0.47 0.44 0 medFamInc 0 1 0.38 0.20 -0.44 0.33 0.25 0 perCapInc 0 1 0.35 0.19 -0.35 0.3 0.23 0 whitePerCap 0 1 0.37 0.19 -0.21 0.32 0.3 0 blackPerCap 0 1 0.29 0.17 -0.28 0.25 0.18 0 indianPerCap 0 1 0.20 0.16 -0.09 0.17 0 0 AsianPerCap 0 1 0.32 0.20 -0.16 0.28 0.18 0 OtherPerCap 0 1 0.28 0.19 -0.13 0.25 0 1 HispPerCap 0 1 0.39 0.18 -0.24 0.345 0.3 0 NumUnderPov 0 1 0.06 0.13 0.45 0.02 0.01 0 PctPopUnderPov 0 1 0.30 0.23 0.52 0.25 0.08 0 PctLess9thGrade 0 1 0.32 0.21 0.41 0.27 0.19 0 PctNotHSGrad 0 1 0.38 0.20 0.48 0.36 0.39 0 PctBSorMore 0 1 0.36 0.21 -0.31 0.31 0.18 0 PctUnemployed 0 1 0.36 0.20 0.50 0.32 0.24 0 PctEmploy 0 1 0.50 0.17 -0.33 0.51 0.56 0 PctEmplManu 0 1 0.40 0.20 -0.04 0.37 0.26 0 PctEmplProfServ 0 1 0.44 0.18 -0.07 0.41 0.36 0 PctOccupManu 0 1 0.39 0.20 0.30 0.37 0.32 0 PctOccupMgmtProf 0 1 0.44 0.19 -0.34 0.4 0.36 0 MalePctDivorce 0 1 0.46 0.18 0.53 0.47 0.56 0 MalePctNevMarr 0 1 0.43 0.18 0.30 0.4 0.38 0 FemalePctDiv 0 1 0.49 0.18 0.56 0.5 0.54 0 TotalPctDiv 0 1 0.49 0.18 0.55 0.5 0.57 0 PersPerFam 0 1 0.49 0.15 0.14 0.47 0.44 0 PctFam2Par 0 1 0.61 0.20 -0.71 0.63 0.7 0 PctKids2Par 0 1 0.62 0.21 -0.74 0.64 0.72 0 PctYoungKids2Par 0 1 0.66 0.22 -0.67 0.7 0.91 0 PctTeen2Par 0 1 0.58 0.19 -0.66 0.61 0.6 0 PctWorkMomYoungKids 0 1 0.50 0.17 -0.02 0.51 0.51 0 PctWorkMom 0 1 0.53 0.18 -0.15 0.54 0.57 0 NumIlleg 0 1 0.04 0.11 0.47 0.01 0 0 PctIlleg 0 1 0.25 0.23 0.74 0.17 0.09 0 NumImmig 0 1 0.03 0.09 0.29 0.01 0 0 PctImmigRecent 0 1 0.32 0.22 0.17 0.29 0 0 PctImmigRec5 0 1 0.36 0.21 0.22 0.34 0 0 PctImmigRec8 0 1 0.40 0.20 0.25 0.39 0.26 0 PctImmigRec10 0 1 0.43 0.19 0.29 0.43 0.43 0 PctRecentImmig 0 1 0.18 0.24 0.23 0.09 0.01 0 PctRecImmig5 0 1 0.18 0.24 0.25 0.08 0.02 0 PctRecImmig8 0 1 0.18 0.24 0.25 0.09 0.02 0 PctRecImmig10 0 1 0.18 0.23 0.26 0.09 0.02 0 PctSpeakEnglOnly 0 1 0.79 0.23 -0.24 0.87 0.96 0 PctNotSpeakEnglWell 0 1 0.15 0.22 0.30 0.06 0.03 0 PctLargHouseFam 0 1 0.27 0.20 0.38 0.2 0.17 0 PctLargHouseOccup 0 1 0.25 0.19 0.29 0.19 0.19 0 PersPerOccupHous 0 1 0.46 0.17 -0.04 0.44 0.37 0 PersPerOwnOccHous 0 1 0.49 0.16 -0.12 0.48 0.45 0 PersPerRentOccHous 0 1 0.40 0.19 0.25 0.36 0.32 0 PctPersOwnOccup 0 1 0.56 0.20 -0.53 0.56 0.54 0 PctPersDenseHous 0 1 0.19 0.21 0.45 0.11 0.06 0 PctHousLess3BR 0 1 0.50 0.17 0.47 0.51 0.53 0 MedNumBR 0 1 0.31 0.26 -0.36 0.5 0.5 0 HousVacant 0 1 0.08 0.15 0.42 0.03 0.01 0 PctHousOccup 0 1 0.72 0.19 -0.32 0.77 0.88 0 PctHousOwnOcc 0 1 0.55 0.19 -0.47 0.54 0.52 0 PctVacantBoarded 0 1 0.20 0.22 0.48 0.13 0 0 PctVacMore6Mos 0 1 0.43 0.19 0.02 0.42 0.44 0 MedYrHousBuilt 0 1 0.49 0.23 -0.11 0.52 0 0 PctHousNoPhone 0 1 0.26 0.24 0.49 0.185 0.01 0 PctWOFullPlumb 0 1 0.24 0.21 0.36 0.19 0 0 OwnOccLowQuart 0 1 0.26 0.22 -0.21 0.18 0.09 0 OwnOccMedVal 0 1 0.26 0.23 -0.19 0.17 0.08 0 OwnOccHiQuart 0 1 0.27 0.24 -0.17 0.18 0.08 0 RentLowQ 0 1 0.35 0.22 -0.25 0.31 0.13 0 RentMedian 0 1 0.37 0.21 -0.24 0.33 0.19 0 RentHighQ 0 1 0.42 0.25 -0.23 0.37 1 0 MedRent 0 1 0.38 0.21 -0.24 0.34 0.17 0 MedRentPctHousInc 0 1 0.49 0.17 0.33 0.48 0.4 0 MedOwnCostPctInc 0 1 0.45 0.19 0.06 0.45 0.41 0 MedOwnCostPctIncNoMtg 0 1 0.40 0.19 0.05 0.37 0.24 0 NumInShelters 0 1 0.03 0.10 0.38 0 0 0 NumStreet 0 1 0.02 0.10 0.34 0 0 0 PctForeignBorn 0 1 0.22 0.23 0.19 0.13 0.03 0 PctBornSameState 0 1 0.61 0.20 -0.08 0.63 0.78 0 PctSameHouse85 0 1 0.54 0.18 -0.16 0.54 0.59 0 PctSameCity85 0 1 0.63 0.20 0.08 0.67 0.74 0 PctSameState85 0 1 0.65 0.20 -0.02 0.7 0.79 0 LemasSwornFT 0 1 0.07 0.14 0.34 0.02 0.02 1675 LemasSwFTPerPop 0 1 0.22 0.16 0.15 0.18 0.2 1675 LemasSwFTFieldOps 0 1 0.92 0.13 -0.33 0.97 0.98 1675 LemasSwFTFieldPerPop 0 1 0.25 0.16 0.16 0.21 0.19 1675 LemasTotalReq 0 1 0.10 0.16 0.35 0.04 0.02 1675 LemasTotReqPerPop 0 1 0.22 0.16 0.27 0.17 0.14 1675 PolicReqPerOffic 0 1 0.34 0.20 0.17 0.29 0.23 1675 PolicPerPop 0 1 0.22 0.16 0.15 0.18 0.2 1675 RacialMatchCommPol 0 1 0.69 0.23 -0.46 0.74 0.78 1675 PctPolicWhite 0 1 0.73 0.22 -0.44 0.78 0.72 1675 PctPolicBlack 0 1 0.22 0.24 0.54 0.12 0 1675 PctPolicHisp 0 1 0.13 0.20 0.12 0.06 0 1675 PctPolicAsian 0 1 0.11 0.23 0.10 0 0 1675 PctPolicMinor 0 1 0.26 0.23 0.49 0.2 0.07 1675 OfficAssgnDrugUnits 0 1 0.08 0.12 0.34 0.04 0.03 1675 NumKindsDrugsSeiz 0 1 0.56 0.20 0.13 0.57 0.57 1675 PolicAveOTWorked 0 1 0.31 0.23 0.03 0.26 0.19 1675 LandArea 0 1 0.07 0.11 0.20 0.04 0.01 0 PopDens 0 1 0.23 0.20 0.28 0.17 0.09 0 PctUsePubTrans 0 1 0.16 0.23 0.15 0.07 0.01 0 PolicCars 0 1 0.16 0.21 0.38 0.08 0.02 1675 PolicOperBudg 0 1 0.08 0.14 0.34 0.03 0.02 1675 LemasPctPolicOnPatr 0 1 0.70 0.21 -0.08 0.75 0.74 1675 LemasGangUnitDeploy 0 1 0.44 0.41 0.12 0.5 0 1675 LemasPctOfficDrugUn 0 1 0.09 0.24 0.35 0 0 0 PolicBudgPerPop 0 1 0.20 0.16 0.10 0.15 0.12 1675 ViolentCrimesPerPop 0 1 0.24 0.23 1.00 0.15 0.03 0 Distribution of the Goal Variable (Violent Crimes per Population): Range Frequency 0.000-0.067 484 0.067-0.133 420 0.133-0.200 284 0.200-0.267 177 0.267-0.333 142 0.333-0.400 113 0.400-0.467 59 0.467-0.533 76 0.533-0.600 57 0.600-0.667 38 0.667-0.733 37 0.733-0.800 20 0.800-0.867 23 0.867-0.933 14 0.933-1.000 50