Application of step wise regression analysis in predicting future particulate matter concentration episode
Journal article
Nazif, A., Mohammed, N.I., Malakahmad, A. and Abualqumboz, M.S. (2016). Application of step wise regression analysis in predicting future particulate matter concentration episode. Water Air and Soil Pollution. 227 (19), pp. 117- 129. https://doi.org/10.1007/s11270-016-2823-1
Authors | Nazif, A., Mohammed, N.I., Malakahmad, A. and Abualqumboz, M.S. |
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Abstract | Particulate matter is an air pollutant that has resulted in tremendous health effects to the exposed populace. Air quality forecasting is an established process where air pollutants particularly, particulate matter (PM10) concentration is predicted in advance, so that adequate measures are implemented to reduce the health effect of PM10 to the barest level. The present study used daily average PM10 concentration and meteorological parameters (temperature, humidity, wind speed and wind direction) for 5 years (2006–2010) from three industrial air quality monitoring stations in Malaysia (Balok Baru, Tasek and Paka). Time series plot was used to assess PM10 pollution trend in the industrial areas. Additionally, step wise regression (SWR) analysis was used to predict next day PM10 concentrations for the three industrial areas. The SWR method was compared with a persistence model to assess its predictive capabilities. The results for the trend analysis showed that, Balok Baru (BB) had higher PM10 concentration levels, having high values in 2006, 2007 and 2009. These values were higher than the Malaysian Ambient Air Quality Guideline (MAAQG) of 150 μg/m3. Subsequently, the other two industrial areas Tasek (TK) and Paka (PK) had no record of violating the MAAQG. The results for the SWR analysis had significant R 2 values of 0.64, 0.66 and 0.60, respectively. The model performance results for variance inflation factor (VIF) were less than 5 and Durbin-Watson test (DW) had value of 2 for each of the study areas, which were significant. The comparative analysis between SWR and persistence model showed that the SWR had better capabilities, having lower errors for the BB, TK and PK areas. Using root mean square error (RMSE), the results showed error differences of 7, 12 and 16 %, and higher predictability using index of agreement (IA), having a difference of 17, 19 and 16 % for BB, TK, and PK areas, respectively. The results showed that SWR can be used in predicting PM10 next day average concentration, while the extreme event detection results showed that 100 μg/m3 were better detected than the 150 μg/m3 bench marked levels. |
Keywords | Air pollution . Particulate matter. Daily average forecast. Step wise regression analysis. Persistence model |
Year | 2016 |
Journal | Water Air and Soil Pollution |
Journal citation | 227 (19), pp. 117- 129 |
Publisher | Springer |
ISSN | 1573-2932 |
Digital Object Identifier (DOI) | https://doi.org/10.1007/s11270-016-2823-1 |
Publication dates | |
17 Mar 2016 | |
Publication process dates | |
Accepted | 23 Mar 2016 |
Deposited | 30 Jan 2023 |
Accepted author manuscript | License File Access Level Open |
Additional information | This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s11270-016-2823-1 |
https://openresearch.lsbu.ac.uk/item/9283v
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Accepted author manuscript
5STEP WISE REGRESSION ANALYSIS FOR FORECASTING PARTICULATE MATTER CONCENTRATION OF THREE INDUSTRIAL AREAS .pdf | ||
License: Springer Bespoke License | ||
File access level: Open |
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