Mad Mind of a PhD Student

Blog, Website, and Rantings of Kostas Hatalis

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Category Archives: Machine Learning

Softmax Function

August 5, 2015by Kostas Hatalis Leave a comment

The soft-max function is a generalization of the logistic function that normalizes a N-dimensional vector of arbitrary real values to a range of (0,1). It is used to obtain the […]

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Machine Learning, Statistics

Swarm Optimization

March 19, 2015by Kostas Hatalis Leave a comment

Particle swarm optimization (PSO) is a swarm intelligence based computational technique that can be used to find an approximate solution to a problem by iteratively trying to search candidate solutions […]

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Machine Learning, Optimization

Bayesian Decision Theory

March 18, 2015by Kostas Hatalis Leave a comment

Bayesian Decision Theory (BDT), also known as Bayesian Hypothesis Testing and Bayesian inference, is a fundamental statistical approach that quantifies the tradeoffs between various decisions using distributions and costs that […]

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Machine Learning, Statistics

Logistic Regression

February 25, 2015by Kostas Hatalis Leave a comment

In statistics and machine learning, logistic regression is a type of probabilistic classification model. An example of a classification problem is to label an email as either “spam” or “not […]

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Machine Learning, Statistics

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Categories

  • Artificial Intelligence
  • Machine Learning
  • Natural Language Processing
  • Optimization
  • Quantitative Finance
  • Statistics

Archives

  • August 2015
  • March 2015
  • February 2015
  • July 2014

Contact Info

Lehigh University
Packard Laboratory
Bethlehem PA 18015
hatalis@gmail.com

Blogs I Follow

  • Cerebral Systems
  • Managing Stress During Medical School
  • Venture Scanner Insights
  • Just Want The Doctors Ordered
  • Anton's Head
  • Rantings of an Overworked Medical Student

Recent Posts

  • Cross Entropy
  • Massive Opportunity
  • Softmax Function
  • Bag of Words
  • Swarm Optimization
  • Bayesian Decision Theory
  • Random Walk Processes
  • Likelihood-Ratio Test
  • Laws of Forecasting
  • Simple Algo Trading
  • Logistic Regression
  • Matlab and Stock Data
  • What is intelligence?

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Cerebral Systems

Managing Stress During Medical School

Ways to incorporate yoga, meditation, and healthy lifestyle into your daily life.

Venture Scanner Insights

Technology and analyst powered research firm

Just Want The Doctors Ordered

Adventures in Food

Anton's Head

Rantings of an Overworked Medical Student

Random thoughts in my life.

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