https://github.com/daodavid/classic-ml

Implementation of classic machine learning concepts and algorithms from scratch and math behind their implementation.Written in Jupiter Notebook Python
https://github.com/daodavid/classic-ml

baysian cross-entropy entropy gradient-descent information-gain k-fold-cross-validation lasso-regression linear machine-learning maximum-likelihood-estimation naive-bayes-classifier pca principle-component-analysis probability python regression ridge-regression sigmoid-function softmax-regression suprise

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Implementation of classic machine learning concepts and algorithms from scratch and math behind their implementation.Written in Jupiter Notebook Python

• Host: GitHub
• URL: https://github.com/daodavid/classic-ml
• Owner: daodavid
• License: apache-2.0
• Created: 2022-06-20T13:44:07.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2022-06-28T08:34:42.000Z (over 3 years ago)
• Last Synced: 2025-01-17T06:17:21.684Z (about 1 year ago)
• Topics: baysian, cross-entropy, entropy, gradient-descent, information-gain, k-fold-cross-validation, lasso-regression, linear, machine-learning, maximum-likelihood-estimation, naive-bayes-classifier, pca, principle-component-analysis, probability, python, regression, ridge-regression, sigmoid-function, softmax-regression, suprise
• Language: HTML
• Homepage:
• Size: 1.49 MB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

          
# classic Machine Learning Algorithms

 


  Linear Regression 



  


     

  


      


Simple Linear Regression  
 


      


Gradient Descent over simple linear regression 
 


      


Effect of different values for learning rate 
 


      


Multiple Linear Regression 
 


    


Implementation of gradient descent for Multiple Linear regression using NUMPY 
 


     


Test of our implemntation in 'insurance.csv' dataset  
 


     


The probabilistic approach to linear regression.Maximum likelihood estimation  
 


 

 



 


 
 Regularization



  

    


      


 Polynomial Regression, Bias and Variance  
 


      


 Lasso Regression (L1 Regularization) 




      


 Lasso as feature selection 


  

      


 Ridge regression (L2 regularization) 


          

      


  K-fold cross validation  


       

      


 References  


     

    

 

 


  Logistic Regression 



  

 


      


 Log-odds or Loggit function   
 


         


The math origin of the Sigmoid function 


  

      


 Properties and Identities Of Sigmoid Function 


  

      


Maximum Likelihood of Logistic regression, Cross-entropy Loss 


   

      


  Mathematical derivation of cross-entopy loss.Gradient Descent  


   

      


   Implementation of BinaryLogisticRegression using numpy  


       

      


 Reguralization of Logistic Regression   


       

      


 References  


     

    

 

 


 Soft-Max Regression



 

    


      


Abstract  
 


      

      


Softmaxt definition and  how it works? 




      


Optimizaton of  Softmax Loss with Gradient Descent (Deep math calculation) 


  

      


Implementation of Softmax using numpy  




       


Regularization of softmax by learning rate and max iterations 


 

       


Conclusion 


  


    

 

 


 Naive Bayes Classifier



 

    


      


Bayes Theorem 
 


      


How does Binomial Naive Bayes work? 




      


Investigation of likelihood and posterior probability  throw features values of Titanic dataset 


  

      


 Implementation of likelihood table for Gaussian Naive Bayes and testing on Titanic  




       


 Bernoulli Naive Bayes 


 

       


References