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payalbhatia

payalbhatia's Projects

nlp-in-practice icon nlp-in-practice

Full working examples in Python with accompanying dataset for Text Mining & NLP. Includes: Gensim Word2Vec, phrase embeddings, keyword extraction with TFIDF, word count with pyspark, simple text preprocessing, accessing pre-trained embeddings and more.

nlp-notebooks icon nlp-notebooks

A collection of notebooks for Natural Language Processing from NLP Town

nlp_overview icon nlp_overview

Overview of Modern Deep Learning Techniques Applied to Natural Language Processing

nyc-property-tax-record-fraud-detection-using-unsupervised-learning-models icon nyc-property-tax-record-fraud-detection-using-unsupervised-learning-models

This project analyzes New York City’s (NYC’s) real estate data to specifically identify property tax fraud. The main indicators of property tax fraud were property tax assessments that were too high or too low. Given a property dataset of 1,070,994 records and 32 data fields, we first described, visualized, and filled in missing values for each variable. Second, 45 additional variables were created in order to create the most accurate algorithm. Next, we used dimensionality reduction techniques to refine our dataset. Finally, we used (principal component analysis (PCA) and an autoencoder) to obtain two separate fraud scores. The scores were combined and then ranked to get a final fraud score.

opencvminiprojects icon opencvminiprojects

12 Mini Projects done using OpenCV in Python as a part of Master Computer Vision™ OpenCV4 in Python with Deep Learning course offered by Udemy. Created and taught by Rajeev D. Ratan.

pandas-videos icon pandas-videos

Jupyter notebook and datasets from the pandas Q&A video series

pbpython icon pbpython

Code, Notebooks and Examples from Practical Business Python

production-tools icon production-tools

A bare-bones repository demonstrating how to set up tools for data science projects that will help you write higher quality code.

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