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konkyrkos / sentiment-classifier-classic-algorithms

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Tweet Sentiment Classifier using Classic Machine Learning Algorithms. This repository provides my solution for the 2nd Assignment for the course of Text Analytics for the MSc in Data Science at Athens University of Economics and Business.

python statistics random-forest metrics sklearn sgd recall logistic-regression learning-curve sentiment-classifier multinomial-naive-bayes probabilistic-classifiers statistical-significance-test dummyclassfier classifier-metrics-precision f1-scores
  • Updated Aug 19, 2020
  • Jupyter Notebook

Shikhar0605 / Social-Media-Sentiment-Analysis

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Using Text Mining and Natural Language Processing Techniques pre- processed 50k tweets. Visualized the impact of hashtags on tweets sentiment using Seaborn. Applied machine learning models, calculated f1_scores, accordingly used the best model for sentiment prediction.

nlp text-mining machine-learning-algorithms tf-idf visualizations nltk-library feature-extraction-algorithm f1-scores
  • Updated Nov 3, 2020
  • Jupyter Notebook

konkyrkos / sentiment-classifier-mlp

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Tweet Sentiment Classification using Multi Layer Perceptrons. This repository provides my solution for the 3rd Assignment for the course of Text Analytics for the MSc in Data Science at Athens University of Economics and Business.

python statistics deep-neural-networks deep-learning neural-network metrics sklearn keras hyperparameter-optimization recall baseline precision multilayer-perceptron-network sentiment-classifier keras-tensorflow mlp-classifier statistical-significance-test dummyclassfier f1-scores model-metrics-precision
  • Updated Aug 19, 2020
  • Jupyter Notebook

konkyrkos / sentiment-classifier-rnn

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Tweet Sentiment Classifier using Recurrent Neural Networks. This repository provides my solution for the 4th Assignment for the course of Text Analytics for the MSc in Data Science at Athens University of Economics and Business.

python statistics metrics sklearn recurrent-neural-networks rnn recall baseline rnn-tensorflow rnn-model sentiment-classifier statistical-significance-test dummyclassfier f1-scores model-metrics-precision
  • Updated Aug 25, 2020
  • Jupyter Notebook

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