Evaluación de la calidad del aire mediante la estimación y comparación de curvas típicas no paramétricas
Evaluation of air quality through estimation and comparison of typical non parametric curves
Keywords:
Estadística no paramétrica, métodos estadísticos, métodos gráficos, contaminación atmosférica (es)Nonparametric statistics, statistical methods, graphical methods, air pollution (en)
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We estimate typical daily curves for the pollutants carbon monoxide, nitrogen dioxide and ozone in the years 2003, 2004 and 2005 in Cali city, by means of a nonparametric smoothing technique. The curves evolution is studied through statistical comparison using a nonparametric analysis of covariance, hoping to find out patterns and trends. The results show the existence of a statistically significant reduction in the typical pollution levels throughout the years. The data comes from the stations of the Air Quality Monitoring Network.
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