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lavender_12新蟲 (正式寫手)
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求助:matlab高斯擬合后,如何判斷擬合的是否好? 已有1人參與
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matlab高斯擬合后,如何判斷擬合的是否好? General model Gauss5: f(x) = a1*exp(-((x-b1)/c1)^2) + a2*exp(-((x-b2)/c2)^2) + a3*exp(-((x-b3)/c3)^2) + a4*exp(-((x-b4)/c4)^2) + a5*exp(-((x-b5)/c5)^2) Coefficients (with 95% confidence bounds): a1 = 831.4 b1 = 5.171 c1 = 0.001535 a2 = 278.6 (-3077, 3635) b2 = 5.368 (4.305, 6.431) c2 = 0.3409 (-3.68, 4.361) a3 = 175.8 (-4117, 4469) b3 = 4.96 (1.849, 8.071) c3 = 0.3325 (-1.836, 2.501) a4 = 155.4 (-712.9, 1024) b4 = 4.591 (3.309, 5.872) c4 = 0.3791 (-0.2027, 0.9609) a5 = 170.3 (125.7, 214.8) b5 = 4.084 (3.994, 4.175) c5 = 0.4751 (0.441, 0.5092) Goodness of fit: SSE: 697.2 R-square: 0.9998 Adjusted R-square: 0.9998 RMSE: 1.13 1,,a1,b1,c1后面沒有括號(括號應該是置信區(qū)間吧?)說明好還是不好? 2,goodness of fit里面4個參數(shù)如何判斷這個擬合是否好?是否可用? [ Last edited by dbb627 on 2012-5-10 at 20:28 ] |
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