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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

konkyrkos / mep-tweet-clustering-classification

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Clustering and Classification of Members of the European Parliament's Tweets. This repository provides my solution for the 3rd Assignment for the course of Practical Data Science for the MSc in Data Science at Athens University of Economics and Business.

python data-science clustering sklearn classification bag-of-words data-preprocessing data-preparation tweeter tweeter-api dummyclassfier
  • Updated Aug 24, 2020
  • Jupyter Notebook

srl123 / Analysis-of-Machine-Learning-Algorithms-for-DDos-Detection

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Used different types of machine learning classifiers such as Passive Aggressive, Extra Trees, Dummy Classifier to detect the DDos attack and compared the accuracies of the classifiers to determine the best out of the three.

numpy sklearn machine-learning-algorithms pandas python3 ensemble-learning stacking datavisualization stacking-ensemble passiveaggressiveclassifier extratreesclassifier dummyclassfier majorvotingclassifier weightedaverage
  • Updated Jul 8, 2020

Dhrumil-Zion / Sentiments-Prediction-Using-NLP

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Predicting customer sentiments from feedbacks for amazon. While exploring NLP and its fundamentals, I have executed many data preprocessing techniques. In this repository, I have implemented a bag of words using CountVectorizer class from sklearn. I have trained this vector using the LogisticRegression algorithm which gives approx 93% accuracy. …

sklearn logistic-regression nlp-machine-learning imbalanced-data imblearn tfidf-text-analysis randomoversampler dummyclassfier
  • Updated May 5, 2021
  • 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

Warpedro1 / intro_machine-learning_classification

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This Jupyter Notebook serves as a comprehensive guide to performing support vector machine (LinearSVC) classification and calculating accuracy scores for machine learning tasks. It provides step-by-step instructions and code examples for building, training, and evaluating a LinearSVC classifier

python numpy sklearn pandas seaborn svc-model matplotlib-pyplot tree-classifiers standardscaler dummyclassfier linearsvc-model
  • Updated Oct 12, 2023
  • Jupyter Notebook

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