statistics
read the attached article and answer a couple of questions from the article, details are in special requirements

500-600 words

Special requirements
Detailed explanations needed
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0201890

copy and paste this link in browser to get to the article then answer the following questions in one to one and half page:

What are the challenges to analyzing data for road traffic accidents?

What are the authors’ main points in their discussion of heat maps?

How do the authors’ show that road traffic accidents are not homogenously distributed?

What is the authors’ rationale for applying the Poission distribution? Please also discuss the use of accident rates in the Poisson discussion instead of counts.

What is the Rare Event Concentration Coefficient (RECC), what is the motivation for the RECC and how would a city planner use?