Crime Statistics

download Crime Statistics

of 25

description

Lecture on Crime Statistics

Transcript of Crime Statistics

  • CRIME Statistics & Analysis

  • SCOPE I. Definition of Crime Statistics II. Importance of Crime StatisticsIII. Factors Affecting Crime IncidenceIV. How Crime Statistics are GeneratedVI. Definitions and Formulas V. Crime Analysis

  • I. Definition Crime Statistics - is the collection or study of numerical data of crimes recorded / reported to the police.

  • II. Importance of Crime Statistics Facilitate our policy makers in the formulation of anti-crime strategyAssist our leaders in the deployment / disposition of personnelUnderstand how statistics affects day-to-day operations of the Police StationTraces crime prone areasDetermines crime trendProvides an analysis of the relationship of crime incidents with different factors

  • III. Factors Affecting the Crime SituationPopulation and size of locationAge structureEducational, recreational and religious characteristicsClimateEmployment rateEffective strength of law enforcement agenciesAttitudes of citizenry toward crime

  • IV. HOW CRIME STATISTICS ARE GENERATED Police Blotter

    National Crime Reporting System Form 1

  • NATIONAL CRIME REPORTING SYSTEM (NCRS)The following crimes shall be reported: SCOPEViolation of the Revised Penal Code (RPC); c. Violation of Presidential Decrees and Executive Orders. b. Violation of Special Laws such as Land Transportation and Traffic Code, Forestry Laws, Tenancy Laws, etc.;

  • CRIME STATISTICSJANUARY-DECEMBER 2005

    Sheet1

    CRIME STATISTICS

    January-March 2006

    REGIONCRIME VS PERSONSCRIME VS PROPERTYINDEX CRIMESN-INDEX CRIMESTOTAL CRIMEAMCR

    MURDERHOMICIDEPHY INJRAPETOTALROBBERYTHEFTTOTALTOTALSOLVEDEFF. %TOTALSOLVEDEFF. %VOLUMESOLVEDEFF. (%)

    173501273228240539337528676.2745545199.1283073788.806.06

    2364243913024113516513380.61160160100.0032529390.153.46

    311564133543661047818254842277.0167565196.441223107387.744.64

    4A1791492357263518417636099578178.4965464198.011649142286.235.25

    4B323371431792352820718287.9212211997.5432930191.494.45

    582451195930548509840334786.1015615498.7255950189.623.56

    612710224082551436711066161593.04422422100.001083103795.755.16

    71426274161100636586012252231142864.011207120099.423438262876.4418.56

    81055513841339617613747639783.40250250100.0072664789.125.74

    9742810714223396510432728687.4620320098.5253048691.705.43

    109625111372697815122949843687.5542241097.1692084691.967.59

    111561612534331698915848934670.7652952599.24101887185.568.05

    12783718244341388111946042893.0426025598.0872068394.867.46

    134816722015616153118716286.636262100.0024922489.963.47

    ARMM59723897125171148473.68585696.5517214081.402.00

    CAR30178315145406810825319677.4711711598.2937031184.057.75

    NCR1451045777189781382616392536228189.941917184196.044453412292.5713.05

    TOTAL15778523127696625219972676467310925881080.647669751297.95185941632287.787.29

    Sheet2

    PROsCRIME AGST PERSONSCRIME AGST PROPERTYINDEX CRIMESN-INDEX CRIMESTOTAL CRIMEAMCR

    MURDERHOMICIDEPHY INJRAPETOTALROBBERYTHEFTTOTALTOTALSOLVEDEFF. %TOTALSOLVEDEFF. %VOLUMESOLVEDEFF. (%)

    137215262515813071952244191726134878.101961190397.043687325188.176.84

    2191167229946811239421789873181.40817817100.001715154890.264.63

    346121163319114964274508772373190680.323326321796.725699512389.895.49

    4A780510949295253467071713873921326883.353699361597.737620688390.336.24

    4B157134329158778694111088883193.5863262498.731520145595.725.21

    536419049127113162872565431859157484.6794593098.412804250489.304.54

    648037494931421172132935062623234289.291394138399.214017372592.734.83

    7565215283725438711422341448368707574465.974455440398.83131621014777.0918.05

    843322354115713541802304101764154887.761158113898.272922268691.925.89

    9261944641119301483044521382123289.1597196198.972353219393.206.38

    1035812551214911443246649882132188588.411788174097.323920362592.477.17

    1147514646314012242243916151839142977.712038202099.123877344988.966.78

    1226215863817812361692834521688155291.9497193696.402659248893.576.38

    1327685277997378711620394081686.8126826297.761208107889.244.21

    ARMM267531092044948277552436770.0442040095.2494476781.252.68

    CAR1096832175573183293476104986682.5545844797.601507131387.138.05

    NCR623335212529833812954337063249705871089.757439720696.87171441591692.8412.91

    TOTAL643432401249229622512877231116718890440183614982.12327403200297.75767586815188.797.53

    AMCR0.630.321.230.292.460.761.101.854.323.217.53

    Sheet3

  • V. Definitions and FormulasCrime Volume is the total number of reported crime incidents in an area over a given period of time regardless of the number of perpetrators. Index Crimes are crimes which are serious in nature and which occur with sufficient frequency and regularity such that they can serve as an index to the crime situation.

  • Index Crimes are classified into:Non-Index Crimes - are violations of special laws and others crimes such as crimes against moral and order and crimes against chastity. Crimes Against Person- murder, homicide, rape, & physical injuries Crimes Against Property - robbery & theft V. Definitions and Formulas

  • Crime Solution Efficiency (CSE) - is the percentage of solved cases out of the total number of reported crime incidents handled by police offices for a given period of time. It is a general measure of a law enforcement agencys investigative capability or efficiency. Average Monthly Crime Rate (AMCR) - is the average number of crime incidents occurring per month for every 100,000 inhabitants of an area. V. Definitions and Formulas

  • Crimes Against PersonsV. Definitions and Formulas

  • Crimes Against PropertyV. Definitions and Formulas

  • Index Crime VolumeV. Definitions and Formulas

  • Non- Index Crime VolumeV. Definitions and Formulas

  • Total Crime VolumeV. Definitions and Formulas

  • Crime Solution EfficiencyV. Definitions and Formulas

  • Average Monthly Crime RateV. Definitions and Formulas

  • The data collected are the bases for determining the crime pattern of crime activity as well as the approximation of the actual magnitude of the problem. VI. Crime Analysis

  • Percentage Share of Crime Volume of a Certain AreaVI. Crime Analysis

  • Percentage Share of the Occurrence of a Type of CrimeVI. Crime Analysis

  • Computation of VarianceVI. Crime Analysis

  • Crime ClockVI. Crime AnalysisDivide by the number of monthsDivide by the number of daysDivide by the number of hoursDivide by the number of minutes(If the answer is less than 1, divide 1 by the answer)

    Time FrameCRIME CLOCKCY 2005Total Crime VolumeIndex CrimesNon-Index CrimesPer Year76,75844,01832,740Per MonthPer DayPer HourPer Minute

  • Crime ClockVI. Crime Analysis3,6686,39721391 crime occurredevery 6.67 mins12251 index crime occurred every 12.05 mins2,7289141 non-index crime occurred every 14.93 mins

    Time FrameCRIME CLOCKCY 2005Total Crime VolumeIndex CrimesNon-Index CrimesPer Year76,75844,01832,740Per MonthPer DayPer HourPer Minute

  • Thank YouReady for the exam??Exercises Exercises

    *