Update README.md

README.md

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----
-license: apache-2.0
----
+---
+license: apache-2.0
+task_categories:
+- text-classification
+tags:
+- sentiment analysis
+- reviews
+- text data
+- nlp
+- yelp
+- binary
+pretty_name: Yelp Reviews for Binary Senti Analysis
+---
+# Dataset Card for Dataset Name
+
+The Yelp reviews polarity dataset is constructed by considering stars 1 and 2 negative, and 3 and 4 positive. For each polarity 280,000 training samples and 19,000 testing samples are take randomly. In total there are 560,000 trainig samples and 38,000 testing samples. Negative polarity is class 1, and positive class 2.
+
+## Dataset Details
+
+### Dataset Description
+
+The files train.csv and test.csv contain all the training samples as comma-sparated values. There are 2 columns in them, corresponding to class index (1 and 2) and review text. The review texts are escaped using double quotes ("), and any internal double quote is escaped by 2 double quotes (""). New lines are escaped by a backslash followed with an "n" character, that is "\n".
+- **License:** Apache 2
+
+### Dataset Sources [optional]
+
+- **Link on Kaggle:** https://www.kaggle.com/datasets/yacharki/yelp-reviews-for-sentianalysis-binary-np-csv
+- **DOI:** @misc{xiang_zhang_yassir_acharki_2022,
+	title={🏪Yelp Reviews for Senti-Analysis Binary -N/P+},
+	url={https://www.kaggle.com/dsv/3603961},
+	DOI={10.34740/KAGGLE/DSV/3603961},
+	publisher={Kaggle},
+	author={Xiang Zhang and Yassir Acharki},
+	year={2022}
+}
+## Uses
+
+NLP
+
+### Direct Use
+
+Binary sentiment analysis
+
+
+## Dataset Structure
+
+The Dataset Contains 
+
+Readme.md
+
+test.csv
+
+train.csv
+
+
+## Dataset Card Contact
+
+For more info visit : 
+
+https://www.kaggle.com/datasets/yacharki/yelp-reviews-for-sentianalysis-binary-np-csv