Data Visualization and Change-point detection in Environmental Data: The Case of Water Pollution in Oyo State Nigeria

Abstract

Environmental Statistics or Environmetrics is the application of statistical methods to problems concerning the environment. A large number of professionals and public office holders in many countries especially the developing countries have not taken enough cognisance of the use of statistical methodologies in understanding and explaining environmental processes. In this work, an attempt is made to use environmental pollution data to explain data visualization with respect to the standards by the World Health Organization and the Standards Organization of Nigeria. We also discuss exploratory data analysis and change-point detection. A water pollution example is given to show the importance of environmental statistics. Statistical models are used to explain the change-point problem. This effort is aimed at achieving some methodological changes in the approach to analysing environmental data such that statistical methodologies could be enhanced for sustainable development.