Intervention analysis of serious crimes in the eastern region of Ghana
DOI:
https://doi.org/10.18533/ijbsr.v2i7.125Keywords:
ARIMA, Serious Crime, Intervention analysis, Pre-intervention, Post-intervention.Abstract
This research was done within the framework of intervention time series analysis to assess the nature and impact of the establishment and operations of community policing in communities in Ghana. In line with this objective, a secondary data made up of monthly serious crimes from 2000 to 2011 were obtained from Regional Criminal Investigations Department (CID), Eastern Regional Command of Ghana Police Service.
An autoregressive integrated moving average, (ARIMA (1,1,0)) models were constructed to analyse the pre and post intervention of serious crimes respectively. Based on the ARIMA(1,1,0) model for the pre-intervention series, a full intervention model was obtained.The intervention strategy was found to have reduced serious crime by 16 cases per month. The reduction was abrupt but temporal and statistically significant at 5% level. However, the statistically insignificant rate of decay () of 0.0369 at 5% level resulted in the temporal effect of the intervention. The overall intervention model is found to be statistically significant at 5% level.
Downloads
Issue
Section
License
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).
