To ameliorate the estimation we can remove some non necessary values . The outliers can be removed by a statistical method.
In my case I use the cook distance . After a threshold distance we remove the communities.
Why by a distance ? The reason is: in our previous analysis we have found that our data are centered.
My conclusion is the distance permit to extract extrema values.
RMSE
|
MAE
|
MSE
|
ARV
|
|
Régression linear
|
0.12747
|
0.092553
|
0.016248
|
0.44483
|
Régression PLS
|
0.12764
|
0.091114
|
0.016292
|
0.44602
|
SVM Polynomial
|
0.12797
|
0.090735
|
0,017175
|
0,47019
|
| Neural network |
0.13552
|
0.094944
|
0.018367
|
0.50283
|
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