Articles by Once Upon a Data

Yet Another Post on Logistic Regression

July 21, 2016 | Once Upon a Data

Everyday statisticians, analysts and data enthusiasts perform data analysis for different purposes. But when it comes to presenting analyses to wider audience, the good work is not the complex one with big words. It is the one that highlights interesting relations, answers business questions or predict outcomes, and explain all ... [Read more...]

Leverage and Influence in a Nutshell

June 15, 2016 | Once Upon a Data

Once upon a data, there were outliers and influential observations in regression models. Using these models, we learnt that a common practice was to perform diagnostics checks to dig deeper and see how different points affect the fitted model or its coeffecients. So here we go! [Read more...]

A shout Out to R bloggers

June 14, 2016 | Once Upon a Data

Since I started to work with R, I became a frequent visitor to R-bloggers web site where I find a variety of helpful tips and tutorials. Now, as I started my own blog, it is time to give a shout-out to them! [Read more...]

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