Author: ujjwalkarn

An Intuitive Explanation of Convolutional Neural Networks

August 11, 2016

What are Convolutional Neural Networks and why are they important? Convolutional Neural Networks (ConvNets or CNNs) are a category of Neural Networks that have proven very effective in areas such as image recognition and classification. ConvNets have been successful in identifying faces, objects and traffic signs apart from powering vision in robots and self driving cars. Figure 1: … More An Intuitive Explanation of Convolutional Neural Networks

A Quick Introduction to Neural Networks

August 9, 2016

An Artificial Neural Network (ANN) is a computational model that is inspired by the way biological neural networks in the human brain process information. Artificial Neural Networks have generated a lot of excitement in Machine Learning research and industry, thanks to many breakthrough results in speech recognition, computer vision and text processing. In this blog post we will try to … More A Quick Introduction to Neural Networks

Introducing xda: R package for exploratory data analysis

June 17, 2016

This R package contains several tools to perform initial exploratory analysis on any input dataset. It includes custom functions for plotting the data as well as performing different kinds of analyses such as univariate, bivariate and multivariate investigation which is the first step of any predictive modeling pipeline. This package can be used to get … More Introducing xda: R package for exploratory data analysis

Curated list of R tutorials for Data Science

June 4, 2016

Here is topic wise list of R tutorials for Data Science, Time Series Analysis, Natural Language Processing and Machine Learning. This list also serves as a reference guide for several common data analysis tasks. You can also find this list on GitHub where it is updated regularly. The R Language Awesome-R Repository on GitHub R … More Curated list of R tutorials for Data Science

Common operations on Pandas DataFrame

May 30, 2016

Listed below are codes for some useful operations on Pandas DataFrame: Renaming Columns in Pandas Deleting Columns from pandas DataFrame Adding new Column to existing DataFrame Add one Row in a pandas.DataFrame Changing the order of DataFrame Columns Changing data type of Columns Getting a list of the column headers from a DataFrame Converting list … More Common operations on Pandas DataFrame

Curated list of Python tutorials for Data Science

May 30, 2016

I created a list of Python tutorials for data science, machine learning and natural language processing. This list also exists on GitHub where it is updated regularly. The Python Language Dive Into Python Learn Python Wiki on Reddit Highest Voted Python Questions Python Basic Concepts Quick Reference to Python The Elements of Python Style What … More Curated list of Python tutorials for Data Science