The common problem with using the latest release of any framework is that there are no or very few adopters, docs are not updated or point to older versions. We encountered a similar problem while integrating MongoDB driver with Apache Spark 2.X. …

The bane of using bleeding edge technology is very less or hidden information of new features in the latest version. We at Unnati use bleeding edge releases of many data science tools for various research and production systems. In this post we explain how to add external jars to Apache…

Booking a hotel is a fairly involved decision. You want to ensure that you are making an informed decision. However, unlike most e-commerce purchases, the product on offer here (a hotel) isn’t as standardised (yet), and thus there are a lot of factors to consider. Some of the commonly asked…

How to fix word spacing? Word cloud is one of the most common visualizations we see today, especially with social media analytics. Open source libraries like D3JS have eased developers life. With these libraries we can quickly wire data and get beautiful visualizations. Thanks to Mike Bostock for giving the…

What? Word embedding is a technique of converting words to vectors of a high dimension space. In simple terms, in each dimension, we group words based on a particular aspect — gender, colour etc., and score the words based on similarity in that space. For example — “I have a red…

Artificial Neural Networks (ANNs) have totally changed what computers are capable of learning. Though neural networks date back 1940s, we are seeing an astonishing amount of increase of its applications in the recent 5–10 years. Artificial neural networks are modeled on the functioning of the human brain, where the input…

April 26, 2015 Introduction I started a side project on Scala with a group of friends (noobs in scala). We chose Scala because it is well known for type safety and functional programming with support for OOP. …

January 22, 2015 Every time I look at the examples page of D3, I’m simply go… @mbostock has transformed how visualizations are created for web. Today I learnt how to use svg markers with D3. I was using force layout to analyze graphs, just like this example. …

September 7, 2014 I always wanted to setup a media server at home for the following reasons: Reduce redundancy — having multiple copies of media for different devices like phone, tablet, smart TV etc Ease of use — no need to copy files to and from devices to play media…