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Metal concentrations (natural variables) were converted according to the following equation so that the coded concentrations (coded variables) had values of 1 and +1 at low and high levels, respectively.
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hanches: ½ð±Ò+1, ÈÈÐÄÓ¦ÖúÓн±~~~ 2013-12-19 20:09:52
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2Â¥2013-12-19 16:52:33
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befair

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ÓÃÏÂÃæµÄ¹«Ê½, ½ðÊôº¬Á¿(ԭʼ±äÁ¿)±ä»»³ÉÁ˵İ´ÆäÖµ¸ßµÍ·Ö±ðȡֵ-1»òÕß+1µÄеıäÁ¿.
Èç2Â¥Ö¸³ö,Ô­ÎÄvalues of 1 and +1, Ã²ËÆÓ¦¸ÃÊÇvalues of -1 and +1
Befairorbeaware
3Â¥2013-12-19 20:33:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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