Apr 20 2014

We just turned 1!


Yes, that’s right! The first article on Analytics Vidhya went live exactly an year ago (20th April 2013). In less than a year, Analytics Vidhya has transformed from being just a personal blog to one of the leading analytics communities in India & has earned a lot of recognition globally. We today have a collection …

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Apr 17 2014

The importance of context for an analyst!

We analysts enjoy crisp, objective and to the point conversations. An ideal conversation for us is when we come straight to the point, discuss and finish the conversation. Don’t understand what I mean? Here is an example: This is a mail I received in my inbox (name of sender removed). The mail might look crisp, …

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Apr 13 2014

Tricky Base SAS interview questions : Part-II


SAS is the largest market-share holder for advanced analytics. If you are going to work in analytics industry, it is impossible to escape from the language SAS. Different softwares of SAS are used in the industry for data handling. Most common of them used in data handling are SAS Enterprise guide and Base SAS. Both the …

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Apr 11 2014

8 rules for new age analytics learning!

Data science has become one of the most dynamic field. Every alternate month I hear about a start up coming up with next gen tools and products. Cloudera, Neo4j, MongoDB, Ayasdi are some of the companies, which are showing us this exciting future. With this pace of development, your learning strategy needs to change accordingly. …

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Apr 07 2014

Probability in action: Could Monty Hall have made more money on the show?

monty hall

Monty Hall could have lost 66.7% of times in the show, if contestant consistently took the best strategy. Could he reduce these losses and have made more money for the show? Apparently, it boils down to how good he was with probablities! Monty Halparin, also known as Monty Hall, hosted a game show in 1960′s …

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Apr 04 2014

Excitement going up at Analytics Vidhya (and I can’t stop smiling)!

Guess what…we will celebrate our first year anniversary shortly. Last year has just flown by! I still remember the excitement and the anxiety I had while writing my first article on Analytics Vidhya. I had no clue, whether people will read what I’ll write, whether they will like and appreciate it. I didn’t know how things …

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Apr 02 2014

Solving Accuracy vs. Cost using probabilities (with case study)

3D Character and Chance

As a manager, you face cost vs. quality / accuracy trade-offs on a regular basis. This can be in the form of any of these questions: Should we invest more time and resources to gather incremental data and take more informed decision? What is the value gained by asking the analyst in your team to …

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Mar 27 2014

SAS vs. R (vs. Python) – which tool should I learn?

Source: r4stats.com

We love comparisons! From Samsung vs. Apple vs. HTC in smartphones; iOS vs. Android vs. Windows in mobile OS to comparing candidates for upcoming elections or selecting captain for the world cup team, comparisons and discussions enrich us in our life. If you love discussions, all you need to do is pop up a relevant …

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Mar 23 2014

How analytics help organizations becoming customer centric


Whatever industry you work in, you will hear following line in almost all the top management presentation : “Our target for this is year is to become more customer-centric.” What is customer centricity? Why does everyone want to move to a more customer-centric platform? How is it better than product centric approach? How will analytics …

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Mar 18 2014

Part III – Interview with Industry expert, Mr. Srikanth Velamakanni, CEO, Fractal Analytics


This is third and concluding part of the interview with Srikanth Velamakanni, Co-founder & CEO, Fractal Analytics. In the first part, Srikanth shared how Fractal came into being, and how they overcame the initial challenges they faced. In the second part, we discussed how Fractal manages the career cycle of analysts at Fractal (hiring, training, …

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Mar 13 2014

Data Visualization for Tabular Information (with Qlikview case)


BI industry has its roots in MIS and spreadsheets have been the most commonly used MIS tool in the last decade. Due to this, a lot of typical reports in Organizations end up in tabular format. To make situation worse, the number of columns in these reports keep on increasing over time (e.g. addition of …

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Mar 12 2014

Interview with Industry expert, Mr. Srikanth Velamakanni, CEO, Fractal Analytics – Part II

Srikanth Velamakkni quote

Last week, we released the first part of this interview. In that part, Srikanth had shared his experience with starting up Fractal, the challenges faced by the team and how they overcame the challenges. If you missed that part, you can read it here. If you are someone like me (who wants to learn more …

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Mar 09 2014

Learn Analytics using a business case study : Part III

last episode

Data based analytics and intelligence practices typically continue to grow complex over time. This is because we get more data over time, computational power is becoming cheaper by the day and businesses are facing situations where they can either innovate or perish. Same applies to our case study. There are various levels of complex analysis …

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Mar 05 2014

Interview with Industry expert, Mr. Srikanth Velamakanni, CEO, Fractal Analytics

The best part of running this blog has been, connecting with some of the best people in the Analytics Industry. I recently, got an opportunity to interview Srikanth Velamakanni, Co-founder and CEO of Fractal Analytics. The interaction was, undoubtedly, a great learning experience; something which I have tried to extend to all our readers, through …

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Mar 02 2014

Learn Analytics using a business case study : Part II

episode 2

The sequel episode, of most trilogies, is often the most interesting. This is because the first episode builds a foundation, of the overall plot, and includes many mandatory but non-interesting events, but by the second episode, the director has to build sufficient interest to ensure that the viewer is hooked to the entire season. We …

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