If you have a slow internet traffic, and experience buffering when viewing coursera videos, you may wish to download all the lecture videos to your computer and view it after all videos are downloaded. Or, if you are like me, sharing internet with someone else, you may not want to hog up the internet watching … Continue reading Download lecture videos, powerpoints, and notes of Coursera courses

## Introduction to Data Science: Assignment 1 (Twitter Sentiment Analysis in Python)

This is a fun assignment, as we get to deal with real data: twitter’s live stream, that is real-time tweets on twitter.com.This is done by accessing the twitter Application Programming Interface(API) using python. This assignment requires some python programming knowledge. Get Twitter live stream data First, we have to get the data from twitter to … Continue reading Introduction to Data Science: Assignment 1 (Twitter Sentiment Analysis in Python)

## Introduction to Data Science (University of Washington): Introduction

Big data is the new trend in computer science, there is even a term for people who do big data – “data scientist”. To find out what is this big data, I am now taking Introduction to Data Science by University of Washington instructed by Bill Howe. Data science is a new field, and as … Continue reading Introduction to Data Science (University of Washington): Introduction

## Stanford ML Week 2: Linear Regression with Multiple Variables

It’s been a tough week, I needed some time to comprehend the formulas and get used to it. I am not alone in this, surprisingly phd student also had a hard time with this course. Last week, we learnt how to find a best fit line for graph with one variable, this week, we find … Continue reading Stanford ML Week 2: Linear Regression with Multiple Variables

## Stanford ML Week 1: Linear Regression with One Variable

This is the start of Stanford’s Machine Learning instructing by Andrew Ng. Andrew Ng is the director of Stanford AI lab and the cofounder of Coursera where I will be getting the course resources. Notes is not provided in Coursera version of the course, but it can be found at Stanford’s website. Introduction Machine learning grew out … Continue reading Stanford ML Week 1: Linear Regression with One Variable