Now showing items 1-15 of 15

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    A permutation test for partial regression coefficients on first-order autocorrelation 

    Pradthana Minsan; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2010)

    This dissertation proposes a permutation test and a permutation procedure for testing on partial regression coefficients from a multiple linear regression with first-order autocorrelation where the distribution of the error terms is not necessarily normal. The proposed permutation procedure can be directly conducted in the test without having to fit back to the model, which is not the same procedure as in previous permutation tests, and a proposed permutation test is considered based on a random permutation test. In addition, the asymptotic ...
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    Accessibility to social security scheme of informal labors in Bangkok 

    Nirund Thiptananont; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2010)

    The purpose of this study was to examine the knowledge, satisfaction, acquisition of information, relative advantages, complexities, trustworthiness and effort of the government, among informal labour in Bangkok towards the social security scheme and also to study the relationship between these factors and participation in the social security scheme. The approach was survey research. The target population was labour having income but no social security at the age of 15-60 years. The sampling method was two-stage stratified sampling, ...
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    An alternative estimator for regression coefficients with outliers 

    Titirut Mekbunditkul; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2010)

    An important problem often found in a regression analysis is that a structural change in regression exists and/or the observed data contain outliers. These can lead to a violation of the Gauss-Markov assumptions and affect least squares (LS), rendering the regression inadequate. In this dissertation, an alternative regression model has been constructed from a combination of two principle ideas, namely the Tobit and piecewise regressions. This combined model, called the Tobit-piecewise (TP) regression model, can be suitably applied to cope with ...
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    Asymptotic tests for poisson distribution 

    Manad Khamkong; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2010)

    Poisson distribution is well used as a standard model for analyzing the count data in many fields such as environmental sciences, epidemiology, manufacturing applications, econometrics and finance. The importance for testing the fit of the observations arises from a Poisson distribution. In general, the tests related to the Index of Dispersion (ID) concerning the mean and variance is quite powerful against a wide variety of alternatives except when the ID is closer to 1 (Gurtler and ɺɺ Henze, 2000: 219; Karlis and Xekalaki, 2000: 381; Meintanis ...
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    Discriminating between the extended exponential geometric distribution and the gamma distribution 

    Prasong Kitidamrongsuk; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2010)

    The proposed test called ELT is a goodness of fit test for discriminating between the family of the extended exponential geometric (EEG) distributions and the family of the Gamma distributions. The corresponding test statistic is developed based on the empirical Laplace transform () ktx e (, ) txwhere the argument value maximizes n X () ; t L t and is replaced by its MLE . It is verified that converges in distribution to (0 , 1). Performance of the proposed test is compared via Monte Carlo studies to that of the Kolmogorov – Smirnov (KS) test and ...
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    Expenditure patterns of Thai adolescent 

    Manipat Saimek; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2009)

    This study covered the expenditure patterns of Thai adolescents in relation to their gender, age-range (early and late adolescents), and source of income. Furthermore, the study also aimed to research factors influencing Thai adolescents’ expenditure by considering associated family, social or cultural criteria, coupled with the personal characteristics of the target group. The targeted population segment of the study was adolescents aged from 14 – 22 years who were studying in metropolitan Bangkok (excluding surrounding areas). The sampling frame ...
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    Gender difference and factors affecting towards the career progress of state university lecturers 

    Suwichai Kosaiyawat; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2009)

    The objective of this research was to 1) study the career progress of state universities lecturers, both male and female, in term of administrative position and academic position 2) compare the career progress of them, both male and female, in term of the objective career progress and the subjective career progress and 3) analyze the factors impacting their career progress, both male and female. The research methodology composed of 1) documentary research from annual report of the office of higher education commission and different state universities ...
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    Juvenile violent crimes : antecedents, outcomes and remedial measures 

    Sakkarin Mainoy; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2008)
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    Nonparametric comparison of regression functions in two samples 

    Pimtong Srihera; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2004)
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    Permutation test of partial regression coefficients 

    Siriwan Tantawanich; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2006)
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    Robustifying regression models 

    Renumas Gulasirima; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2006)
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    Sexual behaviors on HIV and sexual transmitted infection among female commercial sex workers (CSWs) in Phuket 

    Peerapon Rattana; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2010)

    The purpose of this study was to examine sexual risk behaviors, knowledge and awareness about HIV/AIDS amongst commercial sex workers (CSWs) and to study the health status and sexual health of women in Phuket. Data was collected by usingsystematic and qualitative research; in-depth interviews were used for collecting qualitative data including, HIV/AIDS surveillance data. In addition, the questionnaire for health status collecting,SF-36 (Short form 36), was applied to collect data from CSW informants.The data collection along with surveillance ...
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    Simple linear regression analysis for incomplete longitudinal data 

    Juthaphorn Saekhoo; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2008)
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    The generalized poisson distribution : some properties and estimation 

    Bunthom Suraporn; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2006)
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    The quality of life of Thai labour in Singapore 

    Thanawit Butr-Udom; Pachitjanut Siripanich, advisor (National Institute of Development Administration, 2007)