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Çѱ¹µµ·ÎÇÐȸ / v.11, no.2, 2009³â, pp.17-25
»ç°íÀ§Ä¡º° ·ÎÁö½ºÆ½ ȸ±Í ±³Åë»ç°í ¸ðÇü - ûÁֽà 4Áö ½ÅÈ£±³Â÷·Î¸¦ Áß½ÉÀ¸·Î -
( Logistic Regression Accident Models by Location in the Case of Cheong-ju 4-Legged Signalized Intersections )
¹Úº´È£;¾çÁ¤¸ð;±èÁØ¿ë; ÃæºÏ´ëÇб³ µµ½Ã°øÇаú;ÃæºÏ´ëÇб³ µµ½Ã°øÇаú;ÃæºÏ´ëÇб³ µµ½Ã°øÇаú;
 
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º» ¿¬±¸ÀÇ ¸ñÀûÀº »ç°íÀ§Ä¡º°(À¯ÀÔºÎ, À¯ÃâºÎ, ±³Â÷·Î³» ¹× Ⱦ´Üº¸µµ) ·ÎÁö½ºÆ½ ȸ±Í ±³Åë»ç°í ¸ðÇüÀ» °³¹ßÇÏ´Â °ÍÀÌ´Ù. ÃæºÏÁö¹æ°æÂûûÀÇ 2004$sim$2005³âµµ »ç°í ÀÚ·á¿Í ÇöÀåÁ¶»ç ÀڷḦ ±Ù°Å·Î, ±³Åë»ç°í¿Í °ü·ÃµÈ ±âÇϱ¸Á¶ ¿ä¼Ò, ȯ°æ ¿ä¼Ò µîÀÌ ºÐ¼®µÇ¾ú´Ù. °³¹ßµÈ ¸ðÇüÀº Ä«ÀÌÁ¦°ö p °ªÀº 0.000 ±×¸®°í Nagelkerke $R^2$°ª 0.363$sim$0.819·Î ¸ðµÎ Åë°èÀûÀ¸·Î À¯ÀÇÇÑ °ÍÀ¸·Î ºÐ¼®µÈ´Ù. °³¹ßµÈ ¸ðÇüÀÇ °øÅë »ç°í¿äÀÎÀº ±³Åë·®, Ⱦ´Ü°Å¸® ¹× ÁÂȸÀüÀü¿ëÂ÷·ÎÀ̸ç, ƯÁ¤º¯¼ö´Â ±³Â÷·Î³» »ç°í¸ðÇüÀÇ ºÎµµ·Î ±³Åë·®, ±×¸®°í Ⱦ´Üº¸µµ »ç°í¸ðÇüÀÇ ÁÖµµ·Î UÅÏÀÎ °ÍÀ¸·Î ³ªÅ¸³ª°í ÀÖ´Ù. Hosmer & Lomeshow °ËÁ¤Àº À¯ÀԺθ¦ Á¦¿ÜÇÑ ¸ðÇüµéÀº p°ªÀÌ 0.05º¸´Ù Å©±â ¶§¹®¿¡ Åë°èÀûÀ¸·Î ÀûÇÕÇÑ °ÍÀ¸·Î Æò°¡µÈ´Ù. ¶ÇÇÑ Á¤ºÐ·ùÀ² °á°ú´Â ¸ðµç ¸ðÇü½ÄÀÌ 73.9% ÀÌ»óÀ¸·Î ³ôÀº ¿¹Ãø·ÂÀ» º¸ÀÌ´Â °ÍÀ¸·Î ºÐ¼®µÈ´Ù.
The goal of this study is to develop Logistic regression model by accident location(entry section, exit section, inside intersection and pedestrian crossing section). Based on the accident data of Chungbuk Provincial Police Agency(2004$sim$2005) and the field survey data, the geometric elements, environmental factor and others related to traffic accidents were analyzed. Developed models are all analyzed to be statistically significant(chi-square p=0.000, Nagelkerke $R^2$=0.363$sim$0.819). The models show that the common factors of accidents are the traffic volume(ADT), distant of crossing and exclusive left turn lane, and the specific factors are the minor traffic volume(inside intersection model) and U-turn of main road(pedestrian crossing model). Hosmer & Loineshow tests are evaluated to be statistically significant(p$geqq$0.05) except the entry section model. The correct classification rates are also analyzed to be very predictable(more than 73.9% to all models).
 
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»ç°í¸ðÇü;µ¶¸³Ç¥º» T°ËÁ¤;Hosmer & Lomeshow°ËÁ¤;·ÎÁö½ºÆ½ ȸ±Í¸ðÇü;accident model;independent samples t-test;hosmer & lomeshow test;logisitic regression model;
 
Çѱ¹µµ·ÎÇÐȸ³í¹®Áý / v.11, no.2, 2009³â, pp.17-25
Çѱ¹µµ·ÎÇÐȸ
ISSN : 1738-7159
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200921140045849)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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