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yongcuo3: ½ð±Ò+35, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2016-03-10 12:12:16
ÔÚͳ¼ÆÏÔÖøÐÔ ¼ìÑé·½Ãæ£¬ÊÂʵÉÏ Ç°ÆÚ ÎÒÃÇ ÒÑ¿¼ÂÇ¶Ô Á½ÖÖ·½·¨ ÔÚ7¸öÊý¾Ý¼¯ ÉÏËùµÃµ½µÄ ÐÔÄÜÖ¸±ê ½øÐÐ Z²âÊÔ£¬µ«×öZ²âÊÔ ±ØÐë ¼ÆËã·½²î£¬¶øÕâ7ÖÖÊý¾Ý¼¯µÄ ²îÒì½Ï´ó£¬ÇóµÃµÄ ·½²î½Ï´ó£¬ËùÒÔ ÓÃZ²âÊÔ ÒâÒå²»´ó¡£¶ø½øÐÐt²âÊÔ Ò²ÓÐ ÀàËÆµÄÎÊÌâ¡£ËùÒÔ ÎÒÃÇÔÚ Î´À´µÄ¹¤×÷ÖУ¬ÎÒÃǽ« Ñ¡Ôñ ¸üÓÐ ±È½ÏÒâÒåµÄ Êý¾Ý¼¯£¬´Ó¶ø ¸üºÃµØ ½øÐРͳ¼ÆÑ§É쵀 ÐÔÄܱȽÏ.
In aspect of statistical significance test, in fact we have already considered to perform Z test on performance indexes obtained by two methods based on 7 data sets. However, the calculation of variance is an inevitable process in Z test, and there is a large difference among these 7 data sets, so that the obtained variance is large, therefore it is of less significance to perform Test. In addition, there are similar problems in t test. As a results, we will select data set with comparative significance in our future work, so as to perform statistical comparison of performance.
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