02767nam a2200397 4500 20260819084634.0 301198s1988 th r 0000|0 eng d .b10732093 AIT RSPR no. EV-88-2 Latif, Shamsudin Abdul Time series analysis of water quality data of a river in Malaysia using Box Jenkins techniques Bangkok : Asian Institute of Technology, 1988 62 p. Research studies project report ; no. EV-88-2 A research study (12 credits) submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Environment, Resources and Development Research Studies Project Report (M. Eng.) - Asian Institute of Technology, 1988 This is a case study on the application of the Box Jenkins technique of time series analysis to the analysis of water quality data of two tributaries of Klang River in Malaysia. In the first ~art of the study, models were formulated using five years of monthly water quality series. The ability of the models to forecast 'average' water quality was then evaluated utilizing nonparametric Mann Whitney test on the sample ~ets of twelve months ahead forecasts and the observed water quality in the sixth year. The average' water quality C represented by the 50 percentile , in this study) predicted by the models which passed the test, is in close· agreement with the observed values. The second part of the study is concerned with modeling using six years of quarterly data. With sufficient data points, forecasts from models based on the quarterly data may provide useful information for the purpose of management of water quality. Water quality Malaysia Time-series analysis Yamamoto, Kazuo, Chairperson Orth, H. M., Examination Committee I, Fude, Examination Committee US- Asean, Scholarship Donor Asian Institute of Technology. Research studies project report ; no. EV-88-2 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B18830 .b10732093 mnait y 240402 2 951012 m a y 0 mnait mnarc 22 40 Barcode : 30050120613509 CREATED : 2012-10-10 RECORD # : i12701208 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050120220610 CREATED : 2016-01-04 RECORD # : i12920113 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 121031 121031 0 0 0 0 MAIN MAIN mnait 2026-08-19 0 AIT RSPR no. EV-88-2 30050120613509 2026-08-19 08:46:34 3 2026-08-19 22 0 0 0 0 MAIN MAIN mnarc 2026-08-19 0 AIT RSPR no. EV-88-2 30050120220610 2026-08-19 08:46:34 2026-08-19 40