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@ -68,7 +68,7 @@ class prevalence of the training set. For this reason, any quantification model
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should be tested across many samples, even ones characterized by class prevalence
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values different or very different from those found in the training set.
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QuaPy implements sampling procedures and evaluation protocols that automate this workflow.
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See the [documentation](https://hlt-isti.github.io/QuaPy/build/html/) for detailed examples.
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See the [documentation](https://hlt-isti.github.io/QuaPy/manuals.html) for detailed examples.
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## Features
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@ -25,14 +25,14 @@ The following script fetches a dataset of tweets, trains, applies, and evaluates
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```python
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import quapy as qp
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dataset = qp.datasets.fetch_UCIBinaryDataset("yeast")
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training, test = dataset.train_test
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training, test = qp.datasets.fetch_UCIBinaryDataset("yeast").train_test
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# create an "Adjusted Classify & Count" quantifier
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model = qp.method.aggregative.ACC()
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model.fit(training)
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Xtr, ytr = training.Xy
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model.fit(Xtr, ytr)
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estim_prevalence = model.quantify(test.X)
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estim_prevalence = model.predict(test.X)
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true_prevalence = test.prevalence()
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error = qp.error.mae(true_prevalence, estim_prevalence)
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@ -59,19 +59,19 @@ API <quapy>
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## Features
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- Implementation of many popular quantification methods (Classify-&-Count and its variants, Expectation Maximization, quantification methods based on structured output learning, HDy, QuaNet, quantification ensembles, among others).
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- Versatile functionality for performing evaluation based on sampling generation protocols (e.g., APP, NPP, etc.).
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- Implementation of most commonly used evaluation metrics (e.g., AE, RAE, NAE, NRAE, SE, KLD, NKLD, etc.).
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- Datasets frequently used in quantification (textual and numeric), including:
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- 32 UCI Machine Learning binary datasets.
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- 5 UCI Machine Learning multiclass datasets (new in v0.1.8!).
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- 11 Twitter quantification-by-sentiment datasets.
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- 3 product reviews quantification-by-sentiment datasets.
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- 4 tasks from LeQua competition (new in v0.1.7!)
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- IFCB dataset of plankton water samples (new in v0.1.8!).
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- Native support for binary and single-label multiclass quantification scenarios.
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- Model selection functionality that minimizes quantification-oriented loss functions.
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- Visualization tools for analysing the experimental results.
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* Implementation of many popular quantification methods (Classify-&-Count and its variants, Expectation Maximization,
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quantification methods based on structured output learning, HDy, QuaNet, quantification ensembles, among others).
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* Versatile functionality for performing evaluation based on sampling generation protocols (e.g., APP, NPP, etc.).
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* Implementation of most commonly used evaluation metrics (e.g., AE, RAE, NAE, NRAE, SE, KLD, NKLD, etc.).
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* Datasets frequently used in quantification (textual and numeric), including:
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* 32 UCI Machine Learning datasets.
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* 11 Twitter quantification-by-sentiment datasets.
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* 3 product reviews quantification-by-sentiment datasets.
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* 4 tasks from LeQua 2022 competition and 4 tasks from LeQua 2024 competition
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* IFCB for Plancton quantification
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* Native support for binary and single-label multiclass quantification scenarios.
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* Model selection functionality that minimizes quantification-oriented loss functions.
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* Visualization tools for analysing the experimental results.
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## Citing QuaPy
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@ -97,3 +97,7 @@ In case you want to contribute improvements to quapy, please generate pull reque
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:width: 250px
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:alt: SoBigData++
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```
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This work has been supported by the QuaDaSh project
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_"Finanziato dall’Unione europea---Next Generation EU,
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Missione 4 Componente 2 CUP B53D23026250001"_.
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