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Respond back to these two different opinions on different methods of data display and how to choose which one works best for different types of results a

April 9, 2025

Respond back to these two different opinions on different methods of data display and how to choose which one works best for different types of results and points you are trying to make. tell what you like about their opinion

1. As a crime analyst, one important point I might need to present is whether there is a spatial relationship between drug-related arrests and proximity to public schools. This type of analysis is essential for identifying areas of concern for community safety and for helping law enforcement allocate resources more effectively.The most effective method of data display for this analysis is a heat map layered on a geographic information system (GIS) platform, such as ArcGIS or Google Maps. A heat map allows the viewer to see concentrations of drug-related arrests visually, using color gradients to reflect frequency. By overlaying the locations of public schools on the same map, patterns and potential correlations become instantly apparent.This method is more effective than tables or text because it leverages visual-spatial cognition, allowing users to interpret complex geographical relationships quickly. According to Tufte’s principles of data visualization, effective graphics should show causality, multivariate data, and comparisons, all of which are supported by a heat map. It also aligns with the ideas in the assigned readings that emphasize how visual tools can reveal insights that textual or numerical data alone may obscure.In sum, a heat map is ideal for this kind of spatial analysis because it visually conveys density, clustering, and proximity—key concepts in environmental criminology and crime pattern theory.

2. As a crime analyst, one key question I might need to answer is how certain environmental factors, such as the presence of street lighting, gated communities, or surveillance cameras, influence property crime rates in different neighborhoods. Specifically, I would focus on understanding whether areas with more crime prevention features experience fewer property crimes, such as burglaries or thefts. This analysis would provide valuable insights into the effectiveness of environmental design in reducing crime and help guide resource allocation and urban planning decisions.

The most effective method of data display for this analysis is a scatter plot. This type of chart allows for the visualization of the relationship between two continuous variables which in this case would be the property crime rates and the proximity to security features. I’d make each point on the scatter plot represent a neighbourhood, with one axis showing crime rates and the other showing the presence of environmental design features, such as the distance to the nearest streetlight or security camera. I think by using a scatter plot, I can easily observe correlations between crime rates and environmental design features.

In my opinion, the scatter plot is ideal because it effectively shows the degree of correlation between two variables, helping to identify trends, clusters, or outliers. According to Tufte’s principles of data visualization, this method avoids clutter while offering a clear visual representation of multivariate data, facilitating quick interpretation (Tufte, 2006). Unlike tables, which require deeper analysis, or text, which can be cumbersome, a scatter plot offers a straightforward visual answer to the question of how specific environmental factors influence crime rates. This method is not only accessible but also actionable, providing law enforcement with concrete data to inform crime prevention strategies.

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