All Notes
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Improving Deep Neural Networks: Hyperparameter tuning, Regularization and Optimization (Coursera)
Notes from Coursera's Improving Deep Neural Networks: Hyperparameter tuning, Regularization and Optimization by Andrew Ng, Younes Bensouda Mourri and Kian Katanforoosh
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Structuring Machine Learning Projects (Coursera)
Notes from Coursera's Structuring Machine Learning Projects by Andrew Ng, Younes Bensouda Mourri and Kian Katanforoosh
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Introduction to Recommender Systems: Non-Personalized and Content-Based
Notes from Coursera's Introduction to Recommender Systems: Non-Personalized and Content-Based by Joseph A Konstan and Michael D. Ekstrand.
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Hash Table
a key-value pair data structure with constant time data access
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Data Structures and Performance
Course notes from Data Structures and Performance on Coursera
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Migrating TB HBase datasets across datacenters
Practical notes on migrating a 2TB HBase cluster from Rackspace to AWS with minimal downtime using CopyTable.
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Recursive queries in PostgreSQL
Walking tree-structured data in PostgreSQL.
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Mean Absolute Error
The average absolute difference between predictions and labels — less sensitive to outliers than RMSE.