Coding

This is all about coding interesting algorithms.

Dissecting Relu: A desceptively simple activation function

What is this post about? This is what you will be able to generate and understand by the end of this post. This is the evolution of a shallow Artificial Neural Network (ANN) with relu() activation functions while training. The goal is to fit the black curve, which means that the ANN is a regressor! …

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Stochastic Approximation to Gradient Descent

What will you learn? The video below, delivers the main points of this blog post on Stochastic Gradient Descent (SGD): (GitHub code available in here)  https://youtu.be/gE9HzJ_GaRM In our previous 2 posts about gradient, in both post number 1 and post number 2, we did cover gradient descent in all its glory. We even went through …

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COVID-19 Analysis

Studying and Predicting the Progress of COVID-19 using Pandas and ARIMA COVID-19 has been around for nearly 4 months since the outbreak. In this notebook, we will study some of the useful statistics regarding number of confirmed/deaths/recovered cases as a function of time per each country/region. We will use the the dataset that has been …

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Train a Perceptron to Learn the AND Gate from Scratch in Python

What will you Learn in this Post? Neural Networks are function approximators. For example, in a supervised learning setting, given loads of inputs and loads of outputs in our training data, a neural network is capable of finding the hidden mapping between the those inputs and outputs. It can also, hopefully, generalize its acquired knowledge …

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Linear Regression from Scratch using Numpy

Hello friends and welcome to MLDawn! So what sometimes concerns me is the fact that magnificent packages such as PyTorch (indeed amazing), TensorFlow (indeed a nightmare), and Keras (indeed great), have prevented machine learning enthusiasts to really learn the science behind how the machine learns. To be more accurate, there is nothing wrong with having …

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Binary Classification from Scratch using Numpy

Hello friends and welcome to MLDawn! So what sometimes concerns me is the fact that magnificent packages such as PyTorch (indeed amazing), TensorFlow (indeed a nightmare), and Keras (indeed great), have prevented machine learning enthusiasts to really learn the science behind how the machine learns. To be more accurate, there is nothing wrong with having …

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