Приклади вживання The training data Англійська мовою та їх переклад на Українською
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Also, items not seen in the training data will be given a probability of 0.0 without smoothing.
As it turned out, the operator mistakenly entered the training data identified as real.
These algorithms try to directly optimize the value of one of the above evaluation measures,averaged over all queries in the training data.
In this case, it is assumed that each query-document pair in the training data has a numerical or ordinal score.
DNNs are prone to overfitting because of the added layers of abstraction,which allow them to model rare dependencies in the training data.
Past that point, however, improving the learner's fit to the training data comes at the expense of increased generalization error.
This causes the network toalmost always learn to reconstruct the average of all the training data.
However, its efficacy is determined not by its performance on the training data but by its ability to perform well on unseen data. .
A typical machine-learning program willtry to maximize overall prediction accuracy for the training data.
A computer with implemented AI will not only collect all the training data but is also going to record pilot behaviour during the training. .
This step is simplified by separating the training data in a new series called"test data" that we will use to measure the error rate.
Such methods update the learner so as to make it better fit the training data with each iteration.
If the training data is linearly separable, we can select two parallel hyperplanes that separate the two classes of data, so that the distance between them is as large as possible.
A common scoring functionis posterior probability of the structure given the training data, like the BIC or the BDeu.
While the green line best follows the training data, it is too dependent on that data and it is likely to have a higher error rate on new unseen data, compared to the black line.
When only judging Transformer on its ability toanswer questions that utilized numbers seen in the training data, its accuracy shot up to 76 percent.
If the training data are linearly separable, we can select two hyperplanes in such a way that they separate the data and there are no points between them, and then try to maximize their distance.
It became known that they are developing an algorithmwhich automatically relieves the training data sets from photographs that can lead to an error in recognizing people with dark skin.
The training data had been amassed by Jordan Green and Tiffany Hogan, researchers at the MGH Institute of Health Professions, who were interested in developing more objective methods for assessing results of the storytelling test.
Analogously, the model produced by SVR depends only on a subset of the training data, because the cost function for building the model ignores any training data close to the model prediction.
(Essentially you give the ML system a bunch of questions along with the correct answers and have it tune itself until it gets a great score.)Serious model builders leave some of the training data out, and then use it to validate the model, in parallel with training. .
For example, if the task weredetermining whether an image contained a certain object, the training data for a supervised learning algorithm would include images with and without that object(the input), and each image would have a label(the output) designating whether it contained the object.
Overfitting is especially likely in cases where learning was performed too long or where training examples are rare,causing the learner to adjust to very specific random features of the training data, that have no causal relation to the target function.
As data is entered, the system includes new rules;if we consider that this data can generalize the training data information, then we have to evaluate the system development and measure the system's ability to correctly predict the categories of new information.
Machine learning and data mining often employ the same methods and overlap significantly, but while machine learning focuses on prediction,based on known properties learned from the training data, data mining focuses on the discovery of(previously) unknown properties in the data(this is the analysis step of knowledge discovery in databases).
As an extreme example, if the number of parameters is the same as or greater than the number of observations,a simple model or learning process can perfectly predict the training data simply by memorizing the training data in its entirety, but such a model will typically fail drastically when making predictions about new or unseen data, since the simple model has not learned to generalize at all.