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[ 2003/11/1,13:1 ]

"The lady tasting tea: How stastics revolutionized science in the twentieth century"(¹ø¿ª¼­: "õÀçµéÀÇ ÁÖ»çÀ§")¶ó´Â Ã¥Àº Áö±Ý±îÁö ¸ô¶ú´ø »õ·Î¿î ¼¼°è·ÎÀÇ °ü¹®Ã³·³ ´À²¸Áø ÁÁÀº Ã¥À̾ú½À´Ï´Ù.

º¸Åë ¼öÇÐÀ» 'ÀÚ¿¬°úÇÐÀÇ ¾ð¾î'¶ó°í ÇÕ´Ï´Ù. ±×°ÍÀº 19¼¼±â±îÁöÀÇ À̾߱âÀÔ´Ï´Ù.
À§ Ã¥Àº ¾î¶² °úÁ¤À» °ÅÃļ­ Åë°èÇÐÀÌ ±âÁ¸ ¼öÇÐÀ» ´ë½ÅÇØ 20 ¼¼±â ÀÌÈÄ ÀÚ¿¬°úÇÐÀÇ ¾ð¾î À§Ä¡¸¦ Â÷ÁöÇÏ°Ô µÇ¾ú´ÂÁö Åë°èÇÐÀÇ ¿ª»ç¿Í Áß¿ä Àι°ÀÇ °£·«ÇÑ ÀÏ´ë±â, ÁÖ¿ä °³³äÀÇ ¿ä¾àÀ» ÅëÇØ¼­ Àç¹ÌÀÖ°Ô º¸¿©ÁÖ°í ÀÖ½À´Ï´Ù. (¹°·Ð Åë°èÇÐ ¿ª½Ã ¼öÇÐÀÇ ÀϺÎÀ̱â´Â ÇÕ´Ï´Ù.)

ÀÌ Ã¥¿¡´Â °ú°Å ¼öÇÐ ½Ã°£¿¡ ¹è¿ü´ø º¹ÀâÇÑ °ø½ÄÀº Çϳªµµ ¾ø½À´Ï´Ù. ¼öÇнÄÀ» »ç¿ëÇÏÁö ¾Ê°í Åë°èÇÐÀÇ ÇÙ½ÉÀûÀÎ °³³ä°ú ±× °³³äÀ» µÑ·¯½Ñ ¿©·¯ Àι°µéÀÇ »î°ú Á¤È²µéÀÌ À̾߱⠽ÄÀ¸·Î ¼­¼úµÇ¾î ÀÖ½À´Ï´Ù. ÀÌ Ã¥À» ÅëÇØ¼­ Åë°èÇÐÀÇ ´ë·«ÀûÀÎ °èº¸¸¦ Áñ°Ì°Ô Á¢Çغ¼ ¼ö ÀÖÀ» »Ó¸¸ ¾Æ´Ï¶ó Ã¥ µÚ¿¡ ÀÖ´Â bibliography¿Í º»¹® Áß¿¡ ¼Ò°³µÈ ´ëÇ¥ÀûÀÎ Åë°èÇÐÀÇ °íÀüµéÀ» ÅëÇØ¼­ Åë°è¶ó´Â ½Å³ª´Â ¼¼°è·Î µé¾î°¡ º¼ ¼ö ÀÖÀ¸¸®¶ó »ý°¢µË´Ï´Ù.

Ã¥ Á¦¸ñ¿¡¼­ 'Çõ¸í'À̶ó´Â ´Ü¾î°¡ ¾²¿´´Âµ¥ ±×¸¸Å­ Åë°èÇÐÀû Á¢±Ù¹ýÀÌ ³ª¿À±â Àü±îÁöÀÇ ÀÚ¿¬°úÇÐ(¹× »çȸ'°úÇÐ')ÀÇ ¹æ¹ý·ÐÀº Åë°èÀû °üÁ¡¿¡¼­ º¸¸é ¾û¼ºÇϱâ ¦ÀÌ ¾ø´Â °ÍÀ̾ú½À´Ï´Ù. Ã¥ 5 ÆäÀÌÁö¿¡ ³ª¿À´Â ±ÛÀ» º¾½Ã´Ù.

In the nineteenth century, scientists seldom publish the results of their experiments. Indeed, they described their conclusions and published data that "demonstrated" the truth of those conclusions. Gregory Mendel did not show the results of all his experiments in breeding peas. He described the sequence of experiments and then wrote: "The first ten members of both series of experiments may serve as an illustration...." (In the 1940s, Ronald Fisher examined Mendel's "illustrations" of data and discovered that the data were too good to be true. They did not display the degree of randomness that should have occurred.)

Áß°íµîÇб³ ¶§ ¹è¿î "¸àµ¨ÀÇ ¹ýÄ¢"ÀÌ ´ë´ÜÈ÷ ºÎ½ÇÇÑ ½ÇÁõÀû µ¥ÀÌŸ·Î µÞ¹Þħ µÈ '¹ýÄ¢'À̾ú´Ù´Â ÀÌ Ãæ°ÝÀûÀÎ À̾߱â´Â ½ÃÀÛ¿¡ ºÒ°úÇÕ´Ï´Ù. 17 ¼¼±â ÀÌ·¡ ¹ßÇ¥µÈ ¼ö¸¹Àº À̷еéÀÇ À¯È¿¼º °ËÁõÀ» À§ÇØ ÇàÇØÁ³´ø ½ÇÇèµéÀº ´ë°³ ÀÌ·ÐÀûÀ¸·Î °è»êµÈ °ª°ú Á¶±Ý¾¿ ´Ù¸¥ °ªÀ» °á°ú·Î ³»³õ½À´Ï´Ù. ´ç½Ã¿¡´Â À̸¦ ¸ðµÎ '¿¡·¯ÇÔ¼ö'¶ó´Â °ÍÀ¸·Î ¸ô¾Æ ³Ö¾ú½À´Ï´Ù. 'Á¤È®ÇÑ' ½ÇÇèÀ» ÇÑ´Ù¸é ¹Ýµå½Ã ÀÌ·ÐÀûÀ¸·Î °è»êµÈ °ª°ú ÀÏÄ¡ÇÏ´Â °ªÀ» ã¾Æ³¾ ¼ö ÀÖÀ» °ÍÀ̶ó È£¾ðÇß½À´Ï´Ù. ÇÏÁö¸¸ ±× ¾î¶² 'Á¤È®ÇÑ' ½ÇÇèµµ ÀÌ·ÐÀûÀ¸·Î °è»êµÈ °ªÀ» ½ÇÁõÀûÀ¸·Î µå·¯³»Áö ¸øÇß½À´Ï´Ù. ¿ì¸®°¡ ãÀ» ¼ö ÀÖ´Â °ÍÀº ½ÇÇèÀ» ÅëÇØ °è»êµÈ ¸¹Àº °ªµéÀÇ 'ºÐÆ÷'ÀÏ »ÓÀ̰í, ±× ºÐÆ÷ÀÇ Æ¯Â¡À» µå·¯³»´Â Åë°è°ª(Æò±Õ, Ç¥ÁØÆíÂ÷,..)¿¡ ºÒ°úÇÏ´Ù´Â °ÍÀÌ Åë°èÇÐÀÌ ºÒ·¯¿Â »ç°í¹æ½ÄÀÇ Çõ¸íÀû ÀüȯÀÔ´Ï´Ù.
Armed with Pearson's revolutionary idea, we do not look upon experimental results as carefully measured numbers in their own right. Instead, they are examples of a scatter of numbers, a distribution of numbers, to use the more accepted term. This distribution of numbers can be written as a mathematical formula that tells us the probability that an observed number will be a given value.

¿ì¸®°¡ ÃøÁ¤ÇÒ ¼ö ÀÖ´Â °ÍÀº ÃøÁ¤Ä¡°¡ ÀÌ·ÐÀûÀ¸·Î °è»êµÈ °ªÀ» °¡Áú È®·üÀ» ±â¼úÇÑ ¼ö½ÄÀÏ »ÓÀÔ´Ï´Ù.
2003/11/5,9:16 Jeanie

Åë°è¿¡ °üÇØ¼­¶ó¸é, Çкζ§ "Åë°èÀÇ ¸¶¼ú"À̶ó´Â Ã¥ÀÌ ±â¾ï³³´Ï´Ù. µÎ²®Áö ¾Ê°í ¾ÆÁÖ ½±°Ô ÀÐÈ÷´Â Ã¥À̾ú´Âµ¥, ½Å¹®À̳ª ±¤°í, Á¤ºÎÀÇ Åë°è µîÀÌ º¸¿©ÁÖ´Â ±×·¡ÇÁ¸¶´Ù ´«±ÝÀÇ ±âÁØÀÌ ´Ù¸£°í ±×·¡ÇÈÀÌ ´Þ¶ó¼­ º¸´ÂÀÌ·Î ÇÏ¿©±Ý ÀÏÁ¾ÀÇ °³³äÀû Âø½Ã Çö»óÀ» ÀÏÀ¸Å°°Ô Çϰí, ±×·Î ÀÎÇØ ÀÚ±âµéÀÌ ¿øÇÏ´Â ¹æÇâÀ¸·Î ÀÇ»ç°áÁ¤À» À¯µµÇÑ´Ù...´Â ¾ê±â¿´ÁÒ. ±× Ã¥À» ÀÏ°í ³­ µÚºÎÅÍ´Â ¾ÆÁÖ ¶Ê¶ÊÇÑ ^^; ¼ÒºñÀÚ°¡ µÇ¾ú´Ù´Â »ç½Ç! ¿øÁ¦°¡ ¹«¾ùÀÎÁö´Â ±â¾ïÀÌ ¾È ³ª´Â±º¿ä. Ã¥²ÈÀÌ ¾îµð¿£°¡ ²ÈÇô ÀÖÀ» ÅÍÀε¥...
2003/11/8,13:0 , À̸íÇå

Ã¥ 29 ÀåÀÇ ¼­µÎ¿¡ Å丶½º Äï(Thomas Kuhn)ÀÇ "°úÇÐ Çõ¸íÀÇ ±¸Á¶"(The Structure of Scientific Revolutions)¿¡ °üÇÑ À̾߱â¿Í ÇÔ²² ¾î¶»°Ô Åë°èÀûÀÎ »ç°í¹æ½ÄÀÌ ÀÚ¿¬°úÇÐ, »çȸ°úÇÐ ±×¸®°í ÀÏ»óÀûÀÎ ¹®È­¿¡±îÁö ±í¼÷È÷ ÀÚ¸®¸¦ Àâ°Ô µÇ¾ú´ÂÁö °£·«ÇÏ°Ô ¼Ò°³Çϰí ÀÖ½À´Ï´Ù.

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ÇÏÁö¸¸ ÃøÁ¤±â¼úÀÌ Á¡Â÷ ¹ß´ÞÇÏ°í µ¥ÀÌŸ°¡ ÃàÀûµÇ¸é¼­ ¿ÀÈ÷·Á ÃøÁ¤°ªÀ» Á¤È®ÇÏ°Ô ¾ò¾î ³»´Â °ÍÀº ºÒ°¡´ÉÇÏ´Ù´Â »ç½ÇÀÌ ¸íÈ®ÇØÁö°í Karl PearsonÀÌ ÁÖÀåÇÑ '¿ì¸®´Â ÃøÁ¤°ªÀÇ È®·üÀû ºÐÆ÷¿Í ±× ºÐÆ÷¸¦ ´ëº¯ÇÏ´Â Åë°èÄ¡¸¸À» ¾Ë ¼ö ÀÖÀ» »ÓÀÌ´Ù'¶ó´Â Åë°èÀû Á¢±Ù¹ýÀÌ ´õ ¸¹Àº °ÍÀ» ¼³¸íÇØ Áشٴ °ÍÀÌ ¹Þ¾Æ µé¿©Áý´Ï´Ù. (½ÅÀº ÁÖ»çÀ§ ³îÀ̸¦ Çմϱî?) ±× µÚ·Î °ÅÀÇ ¸ðµç Çй®Àº Åë°èÀû Á¢±Ù¹ýÀ¸·Î ÀÌ·ÐÀÇ À¯È¿¼ºÀ» °ËÁõÇÏ°Ô µË´Ï´Ù.

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