All Forums  Origin中文论坛  Origin 中文论坛 (Chinese Origin Forum)  非线性PSO拟合尽管R2 0.99

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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by yoyohami[/i] [br]Origin Ver. and Service Release (Select Help-->About Origin): Operating System 大家好，PSO非线性方程使用的是：qt = qe^2*k2*t/1+qt*k2*t 我是新手小白，不太了解初始k2 qe的设置，因此我都选择了 k2=1, qe=1. 结果是拟合R2=0，99， 但是K2 = 4.15E33， 以及K2的标准误差SE= 6,16E44. 我无法知道问题在什么地方以及是否是因为我的数据点太少了而导致的？ 我在这里附上我的原始数据 time(min) and qt(mg/g),希望能得到大家的指点。 非常感谢 Time (min) 0,0,120,120,1440,1440,10080, 10080 qe (mg/g) 0,0, 6.376 6.556 6.558 6.519 6.544 6.250 [/quote]   Check here to include your profile signature.