Nearly 30 years ago, when Sam Walton‘s Retail Link gathered consumer info using product bar codes, the big data pronounced its advancement in the digital world. Now when Walmart, Amazon, Facebook, and Twitter are all relying on data aggregation and analysis to uplift their business strategies, we know that big data has a lot of […]
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The Big Data Evolution is Here
This is the 2nd part of the series. Read the first part here: Logistic Regression Vs Decision Trees Vs SVM: Part I In this part we’ll discuss how to choose between Logistic Regression , Decision Trees and Support Vector Machines. The most correct answer as mentioned in the first part of this 2 part article , still […]
Classification is one of the major problems that we solve while working on standard business problems across industries. In this article we’ll be discussing the major three of the many techniques used for the same, Logistic Regression, Decision Trees and Support Vector Machines [SVM]. All of the above listed algorithms are used in classification [ SVM and […]
If you are a business analytics professional, don’t want to code and are happy to work with GUI based tools to carry out data analysis, it is about time we had this discussion. GUI based tools are great to start with but there are many things you are missing out on if you are not […]
Aim of any visualisation is to gain insight into the data, which by no means should be limited to just two factors at a time. Because in real life you always have multiple factors involved in any process. Challenge here is that traditional scatter plots can at max be scaled to 3 dimensions. Beyond that […]
The success of our students in their careers is what matters the most to us and when our students land their dream job, their success becomes our success. One amongst many such moments came when our student Sashikant Dwivedi (Linkedin profile) got his dream analytics job at TCS as a Sr. Analyst (Risk Analytics-Mortgage) and sent […]
The Mint newspaper has come out with an interesting article on how the banking industry is using business analytics to prosper. Below is an excerpt from the article: “One of the first instances of the use of analytics (in banking in India) can be traced back to the early 2000s when HDFC Bank Ltd, now […]
For many who are trying to start with data analytics, R comes across as a good programming tool being free and famous. But then you stumble onto a big hurdle before you can even type an ‘r’ of R [oh i wish they had given a longer name to R]. The word “programming” scares half […]
In keeping with the election spirit in India and the heated debate around the manifestos of the three main parties fighting the 2014 general elections, BJP, Congress and the Aam Aadmi Party (AAP), we decided to analyse their manifestos in terms of word frequencies to figure out where the focus of these three parties lies. […]
On 19th Feb, 2014, Facebook announced the acquisition of Whatsapp, a mobile messaging service with over 450mn users for an eye-popping US$ 19 bn of cash and Facebook shares in total. This figure seems insane for a company which charges some of its users US$ 0.99 every year for its services and reportedly had revenues […]
