Topic: machine-learning

Deep Reinforcement Learning
April 04, 2022

Deep Reinforcement Learning

Preface In classical reinforcement learning, you learnt about the agent : environment interaction, Markov Decision Process, dynamic…

Model Free Methods
March 21, 2022

Model Free Methods

Preface Monte-Carlo Methods * Points to consider Monte-Carlo Prediction Monte-Carlo Control Off Policy Importance Sampling Temporal…

Model Based Methods - Dynamic Programming
March 14, 2022

Model Based Methods - Dynamic Programming

Preface Dynamic Programming Policy Iteration Steps Algorithm Policy Evaluation - Prediction * Points to consider Policy Improvement…

Fundamental Equations of Reinforcement Learning
March 13, 2022

Fundamental Equations of Reinforcement Learning

RL Equations - State Value Function Expected value Questions RL Equations - Action Value Function Example Questions Understanding the RL…

Classical Reinforcement Learning
March 03, 2022

Classical Reinforcement Learning

Preface The Evolution of RL What is Reinforcement Learning Questions Agent-Environment Interaction Example Two Types of Tasks Questions…

Modifications to Neural Networks
January 06, 2022

Modifications to Neural Networks

Purpose Deep Learning is a subset of machine learning and hence it borrows a lot of common use cases from it. Here we will be looking at the…

Backpropagation
December 25, 2021

Backpropagation

Neural Network Topology Training a Neural Network Mathematically Complexity of the Loss Function Example Gradient Descent Questions Gradient…

Convolutional Neural Networks (CNNs)
December 23, 2021

Convolutional Neural Networks (CNNs)

Purpose CNN - Introduction Challenges in Image Processing CNNs - A specialised architecture for visual data Applications of CNNs Receptive…

Long, Short-term Memory, Gated Recurrent Unit
December 23, 2021

Long, Short-term Memory, Gated Recurrent Unit

Bi-Directional RNN Problems with Vanilla RNNs Long, Short-term Memory Networks Characteristics of an LSTM Cell LSTM Cell Common Activation…

Recurrent Neural Networks (RNNs)
December 13, 2021

Recurrent Neural Networks (RNNs)

Recurrent Neural Networks What are Sequences RNN Formulation Architecture of RNN The flow of information in RNNs is as follows Example…

Convolutional Neural Networks (CNNs) - Industry Applications
December 08, 2021

Convolutional Neural Networks (CNNs) - Industry Applications

Neural networks in industry applications Data Preprocessing: Shape, Size and Form Images - Channels and sizes Question Images…

Gaussian Mixture Models
November 06, 2021

Gaussian Mixture Models

Purpose Limitations of K-Means Advantages of GMMs over K-Means Limitations of Fitting the Data using a Single Gaussian 1D Gaussian vs…

Support Vector Machines
October 30, 2021

Support Vector Machines

Support Vector Machines Maximal Marginal Classifier Soft Margin Classifier Summary Questions Kernels Boundary Transformation Feature…

Principal Component Analysis
October 18, 2021

Principal Component Analysis

Principal Component Analysis Problem with having a lot of features Applications of PCA Dimensionality Reduction PCA Definition PCA - Change…

Model Selection - Practical Considerations
October 18, 2021

Model Selection - Practical Considerations

Business Case Identifying the consumers of an e-commerce website Based on Gender Based on Age Benefits of Identifying the right consumer…

Unsupervised Learning
October 15, 2021

Unsupervised Learning

Types of Learning Unsupervised Learning Practical applications of Clustering Clustering vs Segmentation Segmentation Stability Inter and…

Boosting
October 05, 2021

Boosting

Purpose Bagging vs Boosting Bagging Boosting Question Weak Learners Question AdaBoost Steps Question Amount of Say Change of Weight…

Ensembles and Random Forest
September 29, 2021

Ensembles and Random Forest

Purpose Ensembles Idea Diversity Ways to achieve diversity Acceptability Why ensembles work Example Coin Toss Explanation Voting Stacking…

Decision Trees
September 26, 2021

Decision Trees

Purpose About Decision Trees Building Decision Trees Top Down Greedy Question Hyperparmaeters Hyperparameter Tuning Difference between…

Logistic Regression in the Industry
September 22, 2021

Logistic Regression in the Industry

Purpose of Logistic Regression Difference between Linear Regression and Logistic Regression Why is Logistic Regression so common Confusion…