R, which was largely predominant in the academic world, has started picking up a lot in businesses as well. At least that is what I am witnessing among my colleagues. Lot of people have started experimenting with R, choosing the path to enlightenment. ... [Read more...]

I recently completed an ideation contest on CrowdANALYTIX where the participants had to build an approach towards warranty pricing and fraud detection.Ideation contests are quite different from the usual data mining contests where the objective is... [Read more...]

This post is meant for submitting visual analysis for the Harvard Business Review Contest on KaggleI used the subject lines for all the articles and all the years and mapped the articles into one of the following 18 categories  Business Ethics  Business Management  Crisis  Emerging Markets  Financial Performance  Health Care  Information ... [Read more...]

n! means n x (n - 1) x ... x 3 x 2 x 1For example, 10! = 10 x 9 x ... x 3 x 2 x 1 = 3628800,and the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + 8 + 0 + 0 = 27.Find the sum of the di... [Read more...]

215 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26.What is the sum of the digits of the number 21000?Handling large numbers or rather, very large numbers, can be a pain at times. But have no fear, for GMP is here.GMP  makes the s... [Read more...]

For the past couple of days, I had been searching for a tutorial that would show how to create a custom Beamer template. I found some great resources and some really great customized templates (I have listed the ones that I referred to below) but none ... [Read more...]

In our exercise of learning modelling in R, we have till now succeeded in doing the following:Importing the dataPreparing and transforming the dataRunning a logistic regressionCreating a decision treeSpecifically, we created a decision tree using the r... [Read more...]

In part 3, we ran a logistic model to determine the probability of default of a customer. We also saw the outputs and tried to judge the performance of the model b plotting the ROC curve. Let's try a different approach today. How about a decision tree?... [Read more...]

The previous posts, part 1 and part 2, detailed the procedure to successfully import the data and transform the data so that we can extract some useful information from them. Now it's time to get our hands dirty with some predictive modelling. The dependent variable here is a binary variable taking values "0" ... [Read more...]

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