This repository contains implementations of all Machine Learning Algorithms from scratch in Python. Mathematics required for ML and many projects have also been included.

Overview

👏 Pre- requisites to Machine Learning

                                                                                                                       Key :-
1️⃣ Python Basics                                                                                                      🔴 Not Done Yet 
    a. Python basics :- variables, list, sets, tuples, loops, functions, lambda functions, dictionary, input methods   rest are completed
    b. Python Oops
    c. File and Error Handling 
    d. Iteration Protocol and Generators
    
2️⃣ Data Acquisition
    a. Data Acquisition using Beautiful Soup 
    b. Data Acquisition using Web APIs
    
3️⃣ Python Libraries :-
    a. Numpy
    b. Matplotlib
    c. Seaborn
    d. Pandas
   🔴Plotly
    
4️⃣ Feature Selection and Extraction
    a.Feature Selection - Chi2 test, RandomForest Classifier
    b.Feature Extraction - Principal Component Analysis

💯 Basics of Machine Learning

1️⃣ Basic
    ✅Types of ML
    ✅Challenges in ML
    ✅Overfitting and Underfitting
    🔴Testing and Validation
    🔴Cross Validation
    🔴Grid Search
    🔴Random Search
    🔴Confusion Matrix
    🔴Precision, Recall ], F1 Score
    🔴ROC-AUC Curve
 
 2️⃣ Predictive Modelling
   🔴Introduction to Predictive Modelling
   🔴Model in Analytics
   🔴Bussiness Problem and Prediction Model
   🔴Phases of Predictive Modelling
   🔴Data Exploration for Modelling
   🔴Data and Patterns
   🔴Identifying Missing Data
   🔴Outlier Detection
   🔴Z-Score
   🔴IQR
   🔴Percentile

🔥 Machine-Learning

1️⃣ K- Nearest Neighbour:-
       - Theory
       - Implementation
       
2️⃣ Linear Regression
       - What is Linear Regression
       - What is gradient descent
       - Implementation of gradient descent
       - Importance of Learning Rate
       - Types of Gradient Descent
       - Making predictions on data set
       - Contour and Surface Plots
       - Visualizing Loss function and Gradient Descent
       🔴 Polynomial Regression
       🔴Regularization
       🔴Ridge Regression
       🔴Lasso Regression
       🔴Elastic Net and Early Stopping 
       - Multivariate Linear Regression on boston housing dataset
       - Optimization of Multivariate Linear Regression 
       - Using Scikit Learn for Linear Regression  
       - Closed Form Solution
       - LOWESS - Locally Weighted Regression
       - Maximum Likelihood Estimation
       - Project - Air Pollution Regression
      
 3️⃣ Logistic Regression
      - Hypothesis function
      - Log Loss
      - Proof of Log loss by MLE
      - Gradient Descent Update rule for Logistic Regression
      - Gradient Descent Implementation of Logistic Regression
      🔴Multiclass Classification
      - Sk-Learn Implementation of Logistic Regression on chemical classification dataset.
      
4️⃣ Natural Language Processing 
      - Bag of Words Pipeline 
      - Tokenization and Stopword Removal
      - Regex based Tokenization
      - Stemming & Lemmatization
      - Constructing Vocab
      - Vectorization with Stopwords Removal
      - Bag of Words Model- Unigram, Bigram, Trigram, n- gram
      - TF-IDF Normalization     
      
5️⃣ Naive Bayes
      - Bayes Theorem Formula 
      - Bayes Theorem - Spam or not
      - Bayes Theorem - Disease or not
      - Mushroom Classification
      - Text Classification
      - Laplace Smoothing
      - Multivariate Bernoulli Naive Bayes
      - Multivariate Event Model Naive Bayes
      - Multivariate Bernoulli Naive Bayes vs Multivariate Event Model Naive Bayes
      - Gaussian Naive Bayes
      🔴 Project on Naive Bayes
      
6️⃣ Decision Tree 
      - Entropy
      - Information Gain
      - Process Kaggle Titanic Dataset 
      - Implementation of Information Gain
      - Implementation of Decision Tree
      - Making Predictions
      - Decision Trees using Sci-kit Learn
     
          
 7️⃣ Support Vector Machine 
      - SVM Implementation in Python
      🔴Different Types of Kernel
      🔴Project on SVC
      🔴Project on SVR
      🔴Project on SVC
  
 8️⃣ Principal Component Analysis
     🔴 PCA in Python 
     🔴 PCA Project
     🔴 Fail Case of PCA (Swiss Roll)
     
 9️⃣ K- Means
      🔴 Implentation in Python
      - Implementation using Libraries
      - K-Means ++
      - DBSCAN 
      🔴 Project
 
 🔟 Ensemble Methods and Random Forests
     🔴Ensemble and Voting Classifiers
     🔴Bagging and Pasting
     🔴Random Forest
     🔴Extra Tree
     🔴 Ada Boost
     🔴 Gradient Boosting
     🔴 Gradient Boosting with Sklearn
     🔴 Stacking Ensemble Learning
  
  1️⃣1️⃣  Unsupervised Learning
     🔴 Hierarchical Clustering
     🔴 DBSCAN 
     🔴 BIRCH 
     🔴 Mean - Shift
     🔴 Affinity Propagation
     🔴 Anomaly Detection
     🔴Spectral Clustering
     🔴 Gaussian Mixture
     🔴 Bayesian Gaussian Mixture Models

💯 Mathematics required for Machine Learning

    1️⃣ Statistics:
        a. Measures of central tendency – mean, median, mode
        b. measures of dispersion – mean deviation, standard deviation, quartile deviation, skewness and kurtosis.
        c. Correlation coefficient, regression, least squares principles of curve fitting
        
    2️⃣ Probability:
        a. Introduction, finite sample spaces, conditional probability and independence, Bayes’ theorem, one dimensional random variable, mean, variance.
        
    3️⃣ Linear Algebra :- scalars,vectors,matrices,tensors.transpose,broadcasting,matrix multiplication, hadamard product,norms,determinants, solving linear equations

📚 Handwritten notes with proper implementation and Mathematics Derivations of each algorithm from scratch

   ✅ KNN 
   ✅ Linear Regressio
   ✅ Logistic Regression 
   ✅ Feature Selection and Extraction
   ✅ Naive Bayes

🙌 Projects :-

    🔅 Movie Recommendation System
    🔅 Diabetes Classification 
    🔅 Handwriting Recognition
    🔅 Linkedin Webscraping
    🔅 Air Pollution Regression
Owner
Vanshika Mishra
I am a Data Science Enthusiast. Research and open source piques my interests
Vanshika Mishra
Implement of "Training deep neural networks via direct loss minimization" in PyTorch for 0-1 loss

This is the implementation of "Training deep neural networks via direct loss minimization" published at ICML 2016 in PyTorch. The implementation targe

Cuong Nguyen 1 Jan 18, 2022
Unified tracking framework with a single appearance model

Paper: Do different tracking tasks require different appearance model? [ArXiv] (comming soon) [Project Page] (comming soon) UniTrack is a simple and U

ZhongdaoWang 300 Dec 24, 2022
Some pvbatch (paraview) scripts for postprocessing OpenFOAM data

pvbatchForFoam Some pvbatch (paraview) scripts for postprocessing OpenFOAM data For every script there is a help message available: pvbatch pv_state_s

Morev Ilya 2 Oct 26, 2022
Dealing With Misspecification In Fixed-Confidence Linear Top-m Identification

Dealing With Misspecification In Fixed-Confidence Linear Top-m Identification This repository is the official implementation of [Dealing With Misspeci

0 Oct 25, 2021
Synthetic structured data generators

Join us on What is Synthetic Data? Synthetic data is artificially generated data that is not collected from real world events. It replicates the stati

YData 850 Jan 07, 2023
X-VLM: Multi-Grained Vision Language Pre-Training

X-VLM: learning multi-grained vision language alignments Multi-Grained Vision Language Pre-Training: Aligning Texts with Visual Concepts. Yan Zeng, Xi

Yan Zeng 286 Dec 23, 2022
Project for tracking occupancy in Tel-Aviv parking lots.

Ahuzat Dibuk - Tracking occupancy in Tel-Aviv parking lots main.py This module was set-up to be executed on Google Cloud Platform. I run it every 15 m

Geva Kipper 35 Nov 22, 2022
Implement A3C for Mujoco gym envs

pytorch-a3c-mujoco Disclaimer: my implementation right now is unstable (you ca refer to the learning curve below), I'm not sure if it's my problems. A

Andrew 70 Dec 12, 2022
Cowsay - A rewrite of cowsay in python

Python Cowsay A rewrite of cowsay in python. Allows for parsing of existing .cow

James Ansley 3 Jun 27, 2022
Official implementation of the Neurips 2021 paper Searching Parameterized AP Loss for Object Detection.

Parameterized AP Loss By Chenxin Tao, Zizhang Li, Xizhou Zhu, Gao Huang, Yong Liu, Jifeng Dai This is the official implementation of the Neurips 2021

46 Jul 06, 2022
This repository contains the code used for Predicting Patient Outcomes with Graph Representation Learning (https://arxiv.org/abs/2101.03940).

Predicting Patient Outcomes with Graph Representation Learning This repository contains the code used for Predicting Patient Outcomes with Graph Repre

Emma Rocheteau 76 Dec 22, 2022
Simulated garment dataset for virtual try-on

Simulated garment dataset for virtual try-on This repository contains the dataset used in the following papers: Self-Supervised Collision Handling via

33 Dec 20, 2022
Official MegEngine implementation of CREStereo(CVPR 2022 Oral).

[CVPR 2022] Practical Stereo Matching via Cascaded Recurrent Network with Adaptive Correlation This repository contains MegEngine implementation of ou

MEGVII Research 309 Dec 30, 2022
This is the repo for the paper `SumGNN: Multi-typed Drug Interaction Prediction via Efficient Knowledge Graph Summarization'. (published in Bioinformatics'21)

SumGNN: Multi-typed Drug Interaction Prediction via Efficient Knowledge Graph Summarization This is the code for our paper ``SumGNN: Multi-typed Drug

Yue Yu 58 Dec 21, 2022
Official PyTorch implementation of the paper "Self-Supervised Relational Reasoning for Representation Learning", NeurIPS 2020 Spotlight.

Official PyTorch implementation of the paper: "Self-Supervised Relational Reasoning for Representation Learning" (2020), Patacchiola, M., and Storkey,

Massimiliano Patacchiola 135 Jan 03, 2023
Poisson Surface Reconstruction for LiDAR Odometry and Mapping

Poisson Surface Reconstruction for LiDAR Odometry and Mapping Surfels TSDF Our Approach Table: Qualitative comparison between the different mapping te

Photogrammetry & Robotics Bonn 305 Dec 21, 2022
This framework implements the data poisoning method found in the paper Adversarial Examples Make Strong Poisons

Adversarial poison generation and evaluation. This framework implements the data poisoning method found in the paper Adversarial Examples Make Strong

31 Nov 01, 2022
Complete system for facial identity system

Complete system for facial identity system. Include one-shot model, database operation, features visualization, monitoring

4 May 02, 2022
Predicting path with preference based on user demonstration using Maximum Entropy Deep Inverse Reinforcement Learning in a continuous environment

Preference-Planning-Deep-IRL Introduction Check my portfolio post Dependencies Gym stable-baselines3 PyTorch Usage Take Demonstration python3 record.

Tianyu Li 9 Oct 26, 2022
AMTML-KD: Adaptive Multi-teacher Multi-level Knowledge Distillation

AMTML-KD: Adaptive Multi-teacher Multi-level Knowledge Distillation

Frank Liu 26 Oct 13, 2022