ผลงานตีพิมพ์ในวารสารวิชาการEnhancing quality control in emulsion-type sausage production: Predicting chemical composition of intact samples with near infrared spectroscopyผู้แต่ง:Dr.Pitiporn Ritthiruangdej, Associate Professor, Dr.Kanithaporn Vangnai, Assistant Professor, Dr.Sumaporn Kasemsumran, Somboonying, S., Charoensin, P., Hiriotappa, A., Lowleraha, P., วารสาร: |
ผลงานตีพิมพ์ในวารสารวิชาการEstimation of six leaf traits of East Asian forest tree species by leaf spectroscopy and partial least square regressionผู้แต่ง:Nakaji, T., Oguma, H., Nakamura, M., Kachina, P., Asanok, L., Dr.Dokrak Marod, Professor, Aiba, M., Kurokawa, H., Kosugi, Y., Kassim, A.R., Hiura, T., วารสาร: |
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ผลงานตีพิมพ์ในวารสารวิชาการDevelopment of Machine Learning Methods in Hybrid Energy Storage Systems in Electric Vehiclesผู้แต่ง:Tzu-Chia Chen, Fouad Jameel Ibrahim Alazzawi, John William Grimaldo Guerrero, Dr.Paitoon Chetthamrongchai, Assistant Professor, Aleksei Dorofeev, Aras masood Ismael, Alim Al Ayub Ahmed, Ravil Akhmadeev, Asslia Johar Latipah, Hussein Mohammed Esmail Abu Al-Rejal, วารสาร: |
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หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Bias Correction in Estimation of the Population Correlation Coefficient) ผู้เขียน:จุฑาภรณ์ สินสมบูรณ์ทอง สื่อสิ่งพิมพ์:pdf AbstractAn estimator of the population correlation coefficient of two variables for a bivariate normal distribution was proposed and evaluated using comparisons with the Pearson correlation coefficient and an estimator of Olkin and Pratt, conducted using a simulation study. It was found that for a small sample size of n=10, the absolute bias of the proposed estimator was less than those of the Pearson correlation coefficient and an estimator of Olkin and Pratt. In addition, the mean square errors of those estimators seemed to have no difference in each situation for this study. |
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หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Estimation of the Correlation Coefficient for a Bivariate Normal Distribution with Missing Data) ผู้เขียน:จุฑาภรณ์ สินสมบูรณ์ทอง สื่อสิ่งพิมพ์:pdf AbstractThis study proposes an estimator of the correlation coefficient for a bivariate normal distribution with missing data, via the complete observation analysis method. Evaluation of the proposed estimator (?? J) in comparison with the Pearson correlation coefficient (??P ) was conducted using a simulation study. It was found that, for a higher percentage of missing data in a large sample size, the absolute bias of ?? J was less than that of ?? P when the population correlation coefficients (?) were not close to zero. In addition, the mean square error of ??J was not different from that of ??P in each situation. |
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ผลงานตีพิมพ์ในวารสารวิชาการStudy of Mathematical Models in Hot Air Drying of Herbs in Herbal Compress Ballผู้แต่ง:Wongpanit, B., Chotikamas, S., Dr.Supacharee Roddecha, Assistant Professor, Tantayotai, P., Sriariyanun, M., วารสาร: |
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ผลงานตีพิมพ์ในวารสารวิชาการPerformance evaluation of convolution neural networks in canopy height estimation using sentinel 2 data, application to Thailandผู้แต่ง:ElGharbawi, T., Susaki, J., Chureesampant, K., Arunplod, C., Thanyapraneedkul, J., Dr.Ponthip Limlahapun, Assistant Professor, Suliman, A., วารสาร: |
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