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228307107

捐助贵宾 (小有名气)

[求助] 响应面的分析问题

Response        1        提取率
        ANOVA for Response Surface Quadratic Model
Analysis of variance table [Partial sum of squares - Type III]
        Sum of                Mean        F        p-value
Source        Squares        df        Square        Value        Prob > F
Model        5.75        9        0.64        1096.70        < 0.0001        significant
  A-电机电压        1.56        1        1.56        2680.66        < 0.0001
  B-提取时间        1.12        1        1.12        1914.16        < 0.0001
  C-料液比        0.49        1        0.49        835.43        < 0.0001
  AB        0.027        1        0.027        46.13        0.0011
  AC        0.041        1        0.041        69.99        0.0004
  BC        0.011        1        0.011        18.20        0.0080
  A^2        1.40        1        1.40        2401.77        < 0.0001
  B^2        1.02        1        1.02        1751.06        < 0.0001
  C^2        0.44        1        0.44        755.23        < 0.0001
Residual        2.915E-003        5        5.830E-004
Lack of Fit        2.547E-003        3        8.488E-004        4.60        0.1836        not significant
Pure Error        3.687E-004        2        1.843E-004
Cor Total        5.76        14

The Model F-value of 1096.70 implies the model is significant.  There is only
a 0.01% chance that a "Model F-Value" this large could occur due to noise.

Values of "Prob > F" less than 0.0500 indicate model terms are significant.  
In this case A, B, C, AB, AC, BC, A++2+-, B++2+-, C++2+- are significant model terms.  
Values greater than 0.1000 indicate the model terms are not significant.  
If there are many insignificant model terms (not counting those required to support hierarchy),  
model reduction may improve your model.

The "Lack of Fit F-value" of 4.60 implies the Lack of Fit is not significant relative to the pure
error.  There is a 18.36% chance that a "Lack of Fit F-value" this large could occur due
to noise.  Non-significant lack of fit is good -- we want the model to fit.

Std. Dev.        0.024        R-Squared        0.9995
Mean        5.17        Adj R-Squared        0.9986
C.V. %        0.47        Pred R-Squared        0.9928
PRESS        0.042        Adeq Precision        95.113

响应面的分析问题


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5楼2016-03-24 23:50:54
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228307107

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2楼2016-02-20 19:37:57
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路漫漫求索

金虫 (小有名气)

我最近也在学习,还是等等会的人回答吧
3楼2016-02-22 13:52:58
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228307107

捐助贵宾 (小有名气)

引用回帖:
3楼: Originally posted by 路漫漫求索 at 2016-02-22 13:52:58
我最近也在学习,还是等等会的人回答吧

我学差不多了

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4楼2016-03-03 12:17:52
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