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I recently started going to the GYM. Quite a big achievement for me to be going to the gym regularly for more than a …

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One of the best practices I follow while preparing any report / dashboard is to provide a lot of context. This typically makes a …

Boon from big data or loss of privacy?
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Today’s post is going to be different. There is no technical subject matter I am going to talk about. But the article is far …

Framework to build logistic regression model in a rare event population
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Only 531 out of a population of 50,431 customer closed their saving account in a year, but the dollar value lost because of such …

Starting a big-data analytics practice? Answer these 5 questions first
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Are you a business owner who is wondering how can Analytics / Big data help me out? Or you are convinced that data mining …

Customized Reporting in Qlikview
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As a BI professional, I am used to receiving ad-hoc reporting requirements from business users which need a fast turn-around (sometimes under the name …

Tips to crack a guess estimate (Analytics case study)
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After a wait for 3 long hours, it was my turn to enter the interview room. The first question asked to me by the …

My resolutions for 2014
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In my last post, I mentioned how 2013 has been a phenomenal year for me. I can’t wait to continue the momentum in 2014. …

Highlights of 2013
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2013 has been an outstanding year for me personally. Among other things, there have been 2 key highlights for this year: Becoming a father …

Extracting right variables for your Regression model
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Getting the right variables in your model and cleaning them can make or break your model. The precision of the model depends on the …

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As the day was coming to a close, I thought of fitting in another meeting. Two analysts in my team had been working for …

How to create waterfall chart in Qlikview?
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  Given that 2013 is coming to a close, a very common question analysts get asked around this time of the year is: “How …

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Recently, I got a message of a new unknown transaction done on my credit card. I raised a dispute against the transaction. Within, 10 minutes my …

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My first analytics project involved predicting business from each sales agent and coming up with a targeted intervention for each agent. I built my …

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It’s our pleasure to introduce top data Scientist (as per Kaggle), Mr. Steve Donoho, who has generously agreed to do an exclusive interview for Analytics …

4 tricky SAS questions commonly asked in interview
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While working extensively on SAS-EG , I lost touch of coding in Base SAS. I had to brush up my base SAS before appearing …

Review: Tableau 8.1
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As a Business Analyst, I have been a predictive modeler for most of my career. Majority of this time was spent on SAS along …

Getting your clustering right (Part II)
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I was starring at the computer screen for the final clustering result. Finally, I opened the output file and found the first cluster with …

5 Simple manipulations to extract maximum information out of your data
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How would you distinguish between best, good and worst analyst from a group of analysts? I would simply provide them same problem and data set …

Getting your clustering right (Part I)
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Clustering is one of the toughest modelling techniques. It takes not only sound technical knowledge, but also good understanding of business. We have split …