Author Archives: Neha Wadhawan

23 Sep

Chi-Square Test: An Analysis Of Relationship Between Variables

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image-7191

Let’s think of a scenario — we are looking to build a predictive model which will predictive the probability of a telecom customer attrition. One of the variables we have got in our data is a binary variable (two categories 0,1) which indicates whether the customer has internet services or not. While exploring the data,…

The post Chi-Square Test: An Analysis Of Relationship Between Variables appeared first on Analytics India Magazine.

23 Aug

What Are The Traits Of A Good Data Analyst? An Industry Insider Explains

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image-6647

Most technical blogs and books teach you there are basically three types of people in emerging tech, specifically data analytics: Those who can code well Those who know the business well Those who know both coding and business The people who are most in demand are the third type but they are also the rarest.…

The post What Are The Traits Of A Good Data Analyst? An Industry Insider Explains appeared first on Analytics India Magazine.

31 Jul

A Primer On Evaluation Techniques In Data Science Classification Methods

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image-6208

With the growth of data, tools and techniques to do predictive modelling as well as the evaluation methods used to assess the performance of a model have evolved. Model development is an iterative process and evaluation methods play an important role in it. Machine learning has two key parts — supervised and unsupervised. This article…

The post A Primer On Evaluation Techniques In Data Science Classification Methods appeared first on Analytics India Magazine.