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import os |
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from typing import Dict, List, Tuple |
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import datasets |
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import pandas as pd |
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from .bigbiohub import entailment_features |
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from .bigbiohub import BigBioConfig |
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from .bigbiohub import Tasks |
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_LANGUAGES = ['English'] |
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_PUBMED = False |
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_LOCAL = True |
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_CITATION = """\ |
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@misc{ask9medicaldata, |
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author = {Khan, Arbaaz}, |
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title = {Sentiment Analysis for Medical Drugs}, |
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year = {2019}, |
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url = {https://www.kaggle.com/datasets/arbazkhan971/analyticvidhyadatasetsentiment}, |
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} |
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""" |
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_DATASETNAME = "medical_data" |
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_DISPLAYNAME = "Medical Data" |
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_DESCRIPTION = """\ |
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This dataset is designed to do multiclass classification on medical drugs |
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""" |
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_HOMEPAGE = "" |
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_LICENSE = 'License information unavailable' |
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_URLS = {} |
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_SUPPORTED_TASKS = [Tasks.TEXTUAL_ENTAILMENT] |
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_SOURCE_VERSION = "1.0.0" |
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_BIGBIO_VERSION = "1.0.0" |
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class MedicaldataDatatset(datasets.GeneratorBasedBuilder): |
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"""This dataset contains comments about patients and the sentiment in those comments about a specific drug that's mentioned. |
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1 - Negative sentiment |
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2 - Positive sentiment |
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0 - Neutral""" |
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SOURCE_VERSION = datasets.Version(_SOURCE_VERSION) |
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BIGBIO_VERSION = datasets.Version(_BIGBIO_VERSION) |
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BUILDER_CONFIGS = [ |
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BigBioConfig( |
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name=f"{_DATASETNAME}_source", |
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version=SOURCE_VERSION, |
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description=f"{_DATASETNAME} source schema", |
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schema="source", |
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subset_id=f"{_DATASETNAME}", |
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), |
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BigBioConfig( |
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name=f"{_DATASETNAME}_bigbio_te", |
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version=BIGBIO_VERSION, |
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description=f"{_DATASETNAME} BigBio schema", |
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schema="bigbio_te", |
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subset_id=f"{_DATASETNAME}", |
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), |
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] |
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DEFAULT_CONFIG_NAME = f"{_DATASETNAME}_source" |
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def _info(self) -> datasets.DatasetInfo: |
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if self.config.schema == "source": |
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features = datasets.Features( |
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{ |
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"hash": datasets.Value("string"), |
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"text": datasets.Value("string"), |
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"drug_name": datasets.Value("string"), |
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"sentiment": datasets.Value("string"), |
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} |
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) |
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elif self.config.schema == "bigbio_te": |
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features = entailment_features |
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return datasets.DatasetInfo( |
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description=_DESCRIPTION, |
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features=features, |
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homepage=_HOMEPAGE, |
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license=str(_LICENSE), |
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citation=_CITATION, |
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) |
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def _split_generators(self, dl_manager) -> List[datasets.SplitGenerator]: |
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"""Returns SplitGenerators.""" |
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if self.config.data_dir is None: |
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raise ValueError( |
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"This is a local dataset. Please pass the data_dir kwarg to load_dataset." |
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) |
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else: |
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data_dir = self.config.data_dir |
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return [ |
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datasets.SplitGenerator( |
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name=datasets.Split.TRAIN, |
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gen_kwargs={ |
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"filepath": os.path.join(data_dir, "train_F3WbcTw.csv"), |
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"split": "train", |
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}, |
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), |
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datasets.SplitGenerator( |
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name=datasets.Split.TEST, |
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gen_kwargs={ |
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"filepath": os.path.join(data_dir, "test_tOlRoBf.csv"), |
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"split": "test", |
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}, |
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), |
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] |
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def _generate_examples(self, filepath, split: str) -> Tuple[int, Dict]: |
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"""Yields examples as (key, example) tuples.""" |
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if self.config.schema == "source": |
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csv_reader = pd.read_csv(filepath, dtype="object") |
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if split == "train": |
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for _cols, line in csv_reader.iterrows(): |
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document = {} |
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document["hash"] = line["unique_hash"] |
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document["text"] = line["text"] |
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document["drug_name"] = line["drug"] |
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document["sentiment"] = line["sentiment"] |
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yield document["hash"], document |
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else: |
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for _cols, line in csv_reader.iterrows(): |
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document = {} |
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document["hash"] = line["unique_hash"] |
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document["text"] = line["text"] |
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document["drug_name"] = line["drug"] |
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document["sentiment"] = None |
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yield document["hash"], document |
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elif self.config.schema == "bigbio_te": |
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csv_reader = pd.read_csv(filepath, dtype="object") |
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if split == "train": |
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for _cols, line in csv_reader.iterrows(): |
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document = {} |
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document["id"] = line["unique_hash"] |
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document["premise"] = line["text"] |
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document["hypothesis"] = line["drug"] |
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document["label"] = line["sentiment"] |
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yield document["id"], document |
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else: |
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for _cols, line in csv_reader.iterrows(): |
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document = {} |
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document["id"] = line["unique_hash"] |
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document["premise"] = line["text"] |
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document["hypothesis"] = line["drug"] |
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document["label"] = None |
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yield document["id"], document |
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