對此沒有簡單而單一的答案,尤其是無法事先知道過程,噪聲,物理和數據。
隨函附上一個腳本,該腳本生成帶有兩個腳本和一些建模數據的表。
對我而言,第一種方法始終是視覺判斷(通過Graph Builder等進行)。
第二種方法可以是擬合模型平台,在這種情況下為最小二乘,請參見第二腳本。 p值可能會顯示有關參數意義的信息,增塑劑3的流體3有所不同,但很難找到。 有了更多數據,將更容易找到。 通過按“?”並在報表中單擊鼠標,您將找到上下文幫助以了解詳細信息。
祝你好運!
Names Default To Here( 1 );
Random Reset( 42 );
db = New Table( "Plasticizers",
add rows( 12 ),
New Column( "Experiment", "Numeric", "Ordinal", set values( [1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3] ) ),
New Column( "Nutritive fluid",
"Character",
"Nominal",
set values(
{"fluid 1", "fluid 1", "fluid 1", "fluid 1", "fluid 2", "fluid 2", "fluid 2", "fluid 2", "fluid 3", "fluid 3", "fluid 3", "fluid 3"}
)
),
New Column( "Time points of collection (hours)",
Numeric,
Continuous,
set format( "Best", 12 ),
set values( [0, 12, 24, 48, 0, 12, 24, 48, 0, 12, 24, 48] )
),
New Column( "Concentration plasticizer 1 (micrograms)",
"Numeric",
Continuous,
set formula( Random Normal( 1, 1 ) + 0.1 * Name( "Time points of collection (hours)" ) )
),
New Column( "Concentration plasticizer 2 (micrograms)",
"Numeric",
Continuous,
set formula( Random Normal( 3, 1 ) + 0.2 * Name( "Time points of collection (hours)" ) )
),
New Column( "Concentration plasticizer 3 (micrograms)",
"Numeric",
Continuous,
set formula( Random Normal( 10, 1 ) + If( Name( "Nutritive fluid" ) == "fluid 3", 0.5, 0.1 ) * Name( "Time points of collection (hours)" ) )
),
);
db << Add Properties to Table(
{New Script(
"Concentration plasticizer 1 (micrograms) & 2 more vs. Time points of collection (hours)",
Graph Builder(
Size( 855, 739 ),
Variables(
X( :Name( "Time points of collection (hours)" ) ),
Y( :Name( "Concentration plasticizer 1 (micrograms)" ) ),
Y( :Name( "Concentration plasticizer 2 (micrograms)" ), Position( 1 ) ),
Y( :Name( "Concentration plasticizer 3 (micrograms)" ), Position( 1 ) ),
Group X( :Nutritive fluid )
),
Elements( Points( X, Y( 1 ), Y( 2 ), Y( 3 ), Legend( 14 ) ), Smoother( X, Y( 1 ), Y( 2 ), Y( 3 ), Legend( 15 ) ) )
)
), New Script(
"Fit Least Squares",
Fit Model(
Y(
:Name( "Concentration plasticizer 1 (micrograms)" ),
:Name( "Concentration plasticizer 2 (micrograms)" ),
:Name( "Concentration plasticizer 3 (micrograms)" )
),
Effects( :Nutritive fluid, :Name( "Time points of collection (hours)" ) ),
Personality( "Standard Least Squares" ),
Emphasis( "Effect Leverage" ),
Run(
:Name( "Concentration plasticizer 1 (micrograms)" ) << {Summary of Fit( 1 ), Analysis of Variance( 1 ), Parameter Estimates( 1 ),
Lack of Fit( 0 ), Scaled Estimates( 0 ), Plot Actual by Predicted( 1 ), Plot Residual by Predicted( 1 ),
Plot Studentized Residuals( 0 ), Plot Effect Leverage( 1 ), Plot Residual by Normal Quantiles( 0 ), Box Cox Y Transformation( 0 )},
:Name( "Concentration plasticizer 2 (micrograms)" ) << {Summary of Fit( 1 ), Analysis of Variance( 1 ), Parameter Estimates( 1 ),
Lack of Fit( 0 ), Scaled Estimates( 0 ), Plot Actual by Predicted( 1 ), Plot Residual by Predicted( 1 ),
Plot Studentized Residuals( 0 ), Plot Effect Leverage( 1 ), Plot Residual by Normal Quantiles( 0 ), Box Cox Y Transformation( 0 )},
:Name( "Concentration plasticizer 3 (micrograms)" ) << {Summary of Fit( 1 ), Analysis of Variance( 1 ), Parameter Estimates( 1 ),
Lack of Fit( 0 ), Scaled Estimates( 0 ), Plot Actual by Predicted( 1 ), Plot Residual by Predicted( 1 ),
Plot Studentized Residuals( 0 ), Plot Effect Leverage( 1 ), Plot Residual by Normal Quantiles( 0 ), Box Cox Y Transformation( 0 )}
)
)
)}
);