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    Influence of Job Characteristics on Quality of Services Provided by some Postal Offices in Bangkok of Thailand Post Co.,Ltd. in Thailand Post 4.0 Era. 

    Pongwisit Sornchalerm; Pachitjanut Siripanich (NIDA, 10/10/19)

    At present, Thailand Post has many business rivals. One factor that enables the company to compete with rivals is human resource. Thus, the Researcher applies the theory of the 5 aspects of job characteristics and the theories related to service quality as the principles for the examination whether job characteristics have impacts on quality of the counter service or not by using the supervisor/head of the receiving department of  130 post offices in Bangkok, 130 samples in total, to represent their counter service staff to answer questions of ...
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    Outlier detection and parameter estimation in multivariate multiple regression (MMR) 

    Paweena Tangjuang; Pachitjanut Siripanich (National Institute of Development Administration, 2013)

    Outlier detection in Y-direction for multivariate multiple regression data is interesting since there are correlations between the dependent variables which is one cause of difficulty in detecting multivariate outliers, furthermore, the presence of the outliers may change the values of the estimators arbitrarily. Having an alternative method that can detect those outliers is necessary so that reliable results can be obtained. The multivariate outlier detection methods have been developed by many researchers. But in this study, Mahalanobis ...