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    Roles of imputation methods for filling the missing values: A review 

    Norazian, Mohamed Noor; Ahmad Shukri, Yahaya, Prof. Madya; Nor Azam, Ramli, Prof. Dr.; Noor Faizah Fitri, Md. Yusof, Dr.; Mohd Mustafa Al Bakri, Abdullah (AENSI Publisher All rights reserved, 2013-10)
    Missing data are often encountered in many areas of research. Complete case analysis and indicator method can lead to serious bias. One of the comforting methods is implementation of imputation methods. The main purpose ...
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    Mean imputation techniques for filling the missing observations in air pollution dataset 

    Noorazian, Mohamed Noor; Ahmad Shukri, Yahaya, Prof. Madya; Nor Azam, Ramli, Prof. Dr.; Mohd Mustafa Al Bakri, Abdullah (Trans Tech Publications, 2014)
    Almost all real life datasets consist missing values. These are usually due to machine failure, routine maintenance, changes in siting monitors and human error. The occurence of missing values requires special attention ...
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    Estimation of missing values in air pollution data using single imputation techniques 

    Norazian, Mohamed Noor; Shukri, Yahaya Ahmad; Azam, Ramli Nor; Mohd. Mustafa Al Bakri, Abdullah (Science Society of Thailand, 2008)
    Air pollution data obtained using automated machines often contain missing values which can cause bias due to systematic differences between observed and unobserved data. We used interpolation and mean imputation techniques ...

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    AuthorAhmad Shukri, Yahaya, Prof. Madya (2)Mohd Mustafa Al Bakri, Abdullah (2)Nor Azam, Ramli, Prof. Dr. (2)Norazian, Mohamed Noor (2)Azam, Ramli Nor (1)... View MoreSubject
    Imputation (3)
    Air pollution (2)Performance indicators (2)Estimation theory (1)Interpolation (1)... View MoreDate Issued2014 (1)2013 (1)2008 (1)

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