Data Frames are the tables to store data. If you recall the vectors from the first R notes data frames can be imagined as the collection of vectors with same…
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[Introduction of Association Rules] Sometimes, the anecdotal story helps you understand the new concept. But, this story is real. About 15 years ago, in Walmart, a sales guy made efforts…
There are many who believe all the true transformational opportunities for quantum improvements in business are to found only by exploring the unknown-unknowns through big-data analytics. So what exactly are…
Welcome to the fifth video in the series “Data Science for Beginners”. In this one, you’ll discover a place to find examples that you can borrow from as a starting…
Welcome to the fourth video in the “Data Science for Beginners” series. In this one, we’ll build a simple model and make a prediction. A model is a simplified story…
Welcome to the third video in the series “Data Science for Beginners”. In this one, you’ll get some tips for formulating a question you can answer with data. You might…
Welcome to “Is your data ready for data science?” the second video in the series Data Science for Beginners. Before data science can give you the answers you want, you…
A series of videos and write-ups covering the basics of data science for beginners. This first video is about the kinds of questions that data science can answer. By Brandon Rohrer,…
What is Text Mining? Text Mining is a general catch-all for a range of techniques for extracting information from text strings. Being able to extract, clean and summarize text data…
What is Logistic Regression? Regression is a modelling technique for predicting the values of an outcome variable from one or more explanatory variables. Logistic Regression is a specific approach for…