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2012³â 1Çбâ
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2011³â 2Çбâ
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2011³â 1Çбâ
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2010³â 2Çбâ
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2009³â 2Çбâ
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2007³â2Çбâ
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2006³â2Çбâ
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2005³â2Çбâ
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2005³â 1Çбâ
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2004³â 2Çбâ
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2003³â2Çбâ
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name |
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[2005.04.11] HIT:1435
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title |
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È®·üº¯¼ö X_1, ..., X_n ÀÌ i.i.d. ¶ó´Â °ÍÀº ÀÌ º¯¼öµéÀÌ »óÈ£µ¶¸³ÀÌ°í µ¿ÀÏÇÑ ºÐÆ÷¸¦ µû¸¥´Ù´Â ÀǹÌÀÌ´Ù. ¿©±â¼ (1) µ¶¸³À̶ó ÇÔÀº
´Ù¸¥ º¯¼ö°¡ ÁÖ¾îÁ³´ø ÁÖ¾îÁ® ÀÖÁö ¾Êµç ³ª¸ÓÁö º¯¼öµéÀÇ ºÐÆ÷´Â ´Þ¶óÁöÁö ¾Ê´Â´Ù´Â ÀǹÌ, Áï È®·üÀû µ¶¸³ÀÇ ÀǹÌÀÌ°í (2) µ¿ÀÏÇÑ ºÐÆ÷¸¦ µû¸¥´Ù°í ÇÔÀº ¸ðµÎ µ¿ÀÏÇÑ ¸ðÁý´ÜÀ¸·ÎºÎÅÍ ÃßÃâÇß´Ù´Â ÀǹÌÀÌ´Ù.
Çö½Ç¿¡¼ÀÇ Ç¥º»ÃßÃâ°ú °ü·ÃÇÏ¿© ¼³¸íÇϸé ÇϳªÀÇ ¸ðÁý´ÜÀ¸·ÎºÎÅÍ sampling with replacement ¹æ½Ä, Áï º¹¿øÃßÃâÀÇ ¹æ½Ä¿¡ µû¶ó Ç¥º»À» ¾ò°Ô µÇ¸é Ç¥º» ³»·Î »ÌÈ÷°Ô µÇ´Â È®·üº¯¼öµéÀº i.i.d. ÀÇ Á¶°ÇÀ» ¸¸Á·½ÃÅ°°Ô µÈ´Ù. ¹Ý¸é ºñº¹¿øÃßÃâÀÇ ¹æ½Ä (´ëºÎºÐÀÇ ¹æ½Ä)´ë·Î Ç¥º»À» ÃßÃâÇÏ°Ô µÇ¸é ÃßÃâµÉ È®·üº¯¼öµéÀº ´õ ÀÌ»ó »óÈ£ µ¶¸³À̶ó´Â Á¶°ÇÀ» ¸¸Á·½Ãų ¼ö ¾ø°Ô µÈ´Ù. ÀÌ´Â ÇϳªÀÇ Å« °ªÀÌ »ÌÈ÷°í ³ª¸é ±× ´ÙÀ½¿¡´Â µ¿ÀÏÇÏ°Ô Å« °ªÀÌ »ÌÈú ¼ö ¾ø±â ¶§¹®ÀÌ´Ù. ÇÏÁö¸¸ ¸ðÁý´ÜÀÇ Å©±â°¡ Ç¥º»ÀÇ Å©±â¿¡ ºñÇØ ÃæºÐÈ÷ Å« °æ¿ì ÀÌ·¯ÇÑ µ¶¸³¼ºÀÇ °á¿©´Â ±×´ÙÁö Å« ¹®Á¦°¡ µÇÁö ¾ÊÀ» °ÍÀÌ´Ù. ¸ðÁý´ÜÀÇ Å©±â°¡ Å©¸é º¹¿øÀ» ½ÃÅ°µç ½ÃÅ°Áö ¾Êµç µÑ °£¿¡ Å« Â÷ÀÌ°¡ ³ªÁö ¾ÊÀ» °ÍÀ̱⠶§¹®ÀÌ´Ù.
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