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Results tagged with machine-learning
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user 257740
Machine learning algorithms build a model of the training data. The term "machine learning" is vaguely defined; it includes what is also called statistical learning, reinforcement learning, unsupervised learning, etc. ALWAYS ADD A MORE SPECIFIC TAG.
1
vote
Accepted
Grid Search using strategy
You are right that the best combination may be 'alpha': 30, 'beta':0.00001 but the best combination might be always beyond what you are exploring. The point is to establish a big enough interval to ma …
- 1,733
6
votes
Why do we use loss functions to estimate a model instead of evaluation metrics like accuracy?
As explained here in relation to the no free lunch theorem (https://peekaboo-vision.blogspot.com/2019/07/dont-cite-no-free-lunch-theorem.html, see the final part), “learning is impossible without prop …
- 1,733
2
votes
Accepted
Best approach for energy demand forecasting
You should split the time series instead of using a subsample as a test set, to avoid the problem you mentioned. You can find more here: https://stats.stackexchange.com/users/205266/wind.
Also regardi …
- 1,733