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y = p1*arctan(p2*x)+p3

¾ù·½²î(RMSE):29.2983045920931
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Ïà¹ØÏµÊý(R): 0.997289673602533
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.994586693074246
È·¶¨ÏµÊý(DC): 0.994586693074248
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p1        -320.178269077403
p2        -0.00215506605854631
p3        -12.6860130190491
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2Â¥2014-07-03 09:31:05
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2Â¥: Originally posted by dingd at 2014-07-03 09:31:05
1stOpt¹«Ê½×Ô¶¯ËÑË÷Æ¥Å书ÄÜ£¬ÏÂÃæÊÇÒ»¸ö£º

y = p1*arctan(p2*x)+p3

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3Â¥: Originally posted by °üСÃÛ at 2014-07-03 15:13:52
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