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English to Spanish translations [PRO]
Tech/Engineering - Computers (general) | | English term or phrase: Stacked Generalization | por favor necesito el equivalente estadistico, no posibles traducciones gracias
Stacking (Stacked Generalization)
The concept of stacking (short for Stacked Generalization) applies to the area of predictive data mining to combine the predictions from multiple models. It is particularly useful when the types of models included in the project are very different.
Suppose your data mining project includes tree classifiers, such as C&RT and CHAID, linear discriminant analysis (e.g., see GDA), and Neural Networks. Each computes predicted classifications for a crossvalidation sample, from which overall goodness-of-fit statistics (e.g., misclassification rates) can be computed. Experience has shown that combining the predictions from multiple methods often yields more accurate predictions than can be derived from any one method (e.g., see Witten and Frank, 2000). In stacking, the predictions from different classifiers are used as input into a meta-learner, which attempts to combine the predictions to create a final best predicted classification. So, for example, the predicted classifications from the tree classifiers, linear model, and the neural network classifier(s) can be used as input variables into a neural network meta-classifier, which will attempt to "learn" from the data how to combine the predictions from the different models to yield maximum classification accuracy. |
| | | generalización de pila | Explanation:
2.- La operación directa e indirecta de la pila. ... La generalización de las operaciones básicas de pila nos permitirá ahora ...
homepage.mac.com/eravila/Stop/stop03.html |
| Selected response from:
Armando Diaz
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| Feb 28, 2008 - Changes made by Armando Diaz: | | Created KOG entry | KudoZ term => KOG term | | Jan 28, 2008: | | Kudoz queue | In queue => Public |
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