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Title: Predictive data analytics for air pollutant data
Authors: Fu, Danli
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2022
Publisher: Nanyang Technological University
Source: Fu, D. (2022). Predictive data analytics for air pollutant data. Final Year Project (FYP), Nanyang Technological University, Singapore.
Project: A2398-212
Abstract: In view of government’s measure and public health alert on air pollution, air pollutant is a forecast demanding. However, prediction of single air pollutant is not comprehensive as air pollution is caused by various air pollutants. Thus, this project implements Air Quality Index (AQI) to identify the level of air quality. We use data provided by the environmental protection department (EPD) in Hong Kong and Hong Kong Observatory (HKO) to predict AQI level through FSP, RSP, NOx, SO2, pressure, air temperature and dew point. Past AQI values are calculated through major pollutants FSP, RSP, SO2 and NOx and then use to forecast the AQI level in the following day. In this project , we use both regression and classification strategies to predict the air quality level for the next day. In regression methodologies, we study autoregressive integrated moving average (ARIMA) model and multilayer perceptron (MLP) model. In classification methodologies, we study decision tree (DT), random forest (RF) and XGBoost. From the experiment results, for our project, there is still considerable error in identifying the level of air pollution by predicting the specific AQI value in the next day. On the other hand, with binary prediction, through experiments we conclude that imbalanced class distribution impacts the accuracy of minority group. This study also investigates feature importance to RF and XGBoost models, it suggests that AQI value is strongly associated with FSP, RSP, SO2 and its value on previous day.
Schools: School of Electrical and Electronic Engineering 
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Student Reports (FYP/IA/PA/PI)

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