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Performance evaluation metrics.

Performance evaluation metrics.

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Performance evaluation metrics.
Evaluation indexes of training data fitting effect of four models.
Evaluation indexes of fitting effect of test data of four models.
Research on Precipitation Prediction Model Based on Extreme Learning Machine Ensemble
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  • Feb 2023
Precipitation is a significant index to measure the degree of drought and flood in a region, which directly reflects the local natural changes and ecological environment. It is very important to grasp the change characteristics and law of precipitation accurately for effectively reducing disaster loss and maintaining the stable development of a soc...
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Context 1
... order to directly perceived through the senses observe the effect of model fitting, training data and test data are made use of in this paper to drill and test the model, and the indicators in Table 1 are used to measure the quality of the model. where i x indicates the observed value, and i x ˆ represents the fitting value. ...