เอกสารการประชุมวิชาการและเสนอผลงานวิจัย มหาวิทยาลัยทักษิณ ครั้งที่ 19 2552 - page 349

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CRS
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DMU œ´Ê œ°¥¼nœÁo œ®n°®»o¤ ®¦º° Áo œ¡¦¤Â—œ„µ¦Ÿ¨·˜
O = Áž}œÁª‡Á˜°¦rœµ— N*1 Ž¹ÉŠÁž}œ‡nµš¸É˜o°Š‡Îµœª–®µÁ¡ºÉ °Ä®oŗo T i ¤¸‡nµ˜Éε
.................š¸É »—£µ¥Ä˜oo°‹Î µ„´—˜nµŠÇ
i = ®œnª¥Ÿ¨·˜š¸É 1, 2, 3...N
N1 = N X 1 vector of ones