Machine Learning Solutions

Starting at

$

20

/hr

About this service

Summary

She provided machine learning solutions by applying her data engineering expertise to develop models that solved complex business problems and enhanced decision-making.

What's included

  • NLP Text Classification using Transformers

    Comprehensive dataset of vocal samples labeled with emotions, including preprocessing steps like noise reduction and feature extraction (e.g., MFCC, pitch). EDA with visualizations and summaries of key features. Feature engineering with time-domain and frequency-domain features, including dimensionality reduction (e.g., PCA). Model development using SVM, Random Forest, and Neural Networks with documentation on model selection and training. Model evaluation with metrics (e.g., accuracy, F1-score) and visualizations like confusion matrix. Deployment as an API or app for real-time emotion detection. Comprehensive documentation, source code, performance optimization, explainability (e.g., SHAP, LIME), and interactive demo. Includes training materials, continuous improvement plan, compliance, ethical considerations, backup, and security measures.

  • Text classification to Determine Emotion Using Machine Learning

    For text classification to determine emotion using machine learning, collect and preprocess labeled text data by cleaning, tokenizing, and vectorizing it using techniques like TF-IDF or word embeddings. Perform exploratory data analysis (EDA) to visualize word distributions and identify class imbalances. Extract features such as n-grams and embeddings, and apply dimensionality reduction if needed. Train models like Logistic Regression, SVM, Random Forest, or LSTM, optimizing them with hyperparameter tuning and evaluating their performance using accuracy, F1-score, and confusion matrices. Deploy the best model as an API or app for real-time emotion detection, and provide comprehensive documentation and source code. Optimize performance with techniques like ensembling and explain predictions using LIME or SHAP. Finally, develop an interactive demo, offer a continuous improvement plan, and ensure compliance with data privacy and bias mitigation strategies.


Skills and tools

Data Visualizer
Data Engineer
AI Developer
Google ML Engine
Jupyter
Visual Studio Code

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