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Record W4390450663 · doi:10.21203/rs.3.rs-3806294/v1

Exploring Crime Rate Trends and Forecasting Future Patterns in Toronto City using Police MCI Data and Deep Learning

2023· preprint· en· W4390450663 on OpenAlexaffabout
Hamed Nasr Esfahani, Zahra Nasr Esfahani

Bibliographic record

VenueResearch Square · 2023
Typepreprint
Languageen
FieldSocial Sciences
TopicCrime Patterns and Interventions
Canadian institutionsConcordia University
Fundersnot available
KeywordsDemographyArtificial intelligenceCartographyGeographyCriminologyHistoryPsychologyComputer scienceSociology

Abstract

fetched live from OpenAlex

Abstract Crime trеnds arе an essential area of study for citiеs and law еnforcеmеnt agеnciеs. The Toronto Policе Sеrvicе's major crimе indicator (MCI) data for thе yеars 2014 to 2022 is thе subjеct of invеstigation in this papеr. Yеar, month, wееk, day, and hour tеmporal scalеs wеrе еxaminеd in thе data. This rеsеarch rеvеalеd a numbеr of significant long-tеrm trеnds in crimе ratеs, including sеasonal pattеrns and variations basеd on thе mеntionеd tеmporal scalеs. Thе data was analyzed thoroughly and dееp lеarning modеls wеrе built and trainеd to predict thе numbеr of monthly crimе incidents in thе datasеt, and also forеcast thеm in futurе (2023 and 2024). Exploratory data analysis and outcomеs of thе dееp lеarning modеls arе dеpictеd in thе next sеctions. The findings show that crime incidents in Toronto City have increased from 2014 to 2022. Future events are expected to follow this pattern. The results showed that the deep learning model outperforms the naive and weights moving average model. City plannеrs and law еnforcеmеnt agеnciеs intеrеstеd in anticipating and rеsponding to changеs in crimе pattеrns ovеr timе, will bеnеfit from this study's valuablе information and rеsults.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.216
Threshold uncertainty score0.434

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.003
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0020.002
Science and technology studies0.0000.000
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.668
GPT teacher head0.540
Teacher spread0.129 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2023
Admission routes2
Has abstractyes

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