Posts

Paromita


September 11th, 2017

Category :

Classification problem is quite popular in various domains such as finance and telecommunication, for example, to predict the churn in telecommunication.  Selection of a method, out of classical or machine learning algorithms, depends on business pr...

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Sharan


September 15th, 2016

Neeraj Julka, the author of this article is a senior strategy and consulting professional with 14 years of experience, currently worki...

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Sharan


September 6th, 2016

Category :

Gaining knowledge, as clichéd as it may sound is a perpetual learning process. If it stops growing, it is not knowledge, just information. From grade school to grad school, we learn more and more about different things, and as such never truly stop ...

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Kiran PV


March 26th, 2015

As you know, R software is widely used among statisticians and data scientists for statistical computing, data analysis and graphing. One of the major reasons for its popularity is t...

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Kiran PV


February 18th, 2015

By: Gunnvant Singh, Faculty at Jigsaw   Let's be honest, once you start doing serious data wrangling in R, the code starts a...

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Gunnvant Singh


January 27th, 2015

This post has been written by Gunnvant Singh- Jigsaw Academy Faculty The usual data science project involves following stages: Data preparation and e...

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Abhirami Sankar


January 20th, 2015

A Waterfall Chart is a form of data visualization which helps in determining the cumulative effect of sequentially introduced positive or negative values - Wikipedia ...

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Abhirami Sankar


December 31st, 2014

While base R as well as stringr functions are good for only simple text processing,we needed better packages for dealing with more complex problems such as natural language processing. ...

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Sanchita Lobo


December 12th, 2014

Analytics Vidya has just released their 2014 –2015 list of Top Certifications for Data Analytics and Big Data. They ranked various short duration certification courses accessible in India. Jigsaw Academy, we are proud to say, has c...

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Abhirami Sankar


November 13th, 2014

In my post on Word Clouds a few weeks back, I explained the concept and gave you some insights as to where they can be used as well as a list of Free Word Cloud Generators. In this post I a...

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Pavithrra Venkatraman


October 16th, 2014

  R is a very efficient open-source language in Statistics for Data Mining, Data Preparation, visualization, credit-card scoring etc. However the biggest drawback of the language is that it is memory-bound, which means all th...

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