datasauRus is a package storing the datasets from the paper Same Stats, Different Graphs: Generating Datasets with Varied Appearance and Identical Statistics through Simulated Annealing. It’s a useful package for: Having a dinosaur dataset Showing a dinosaur related variant of The post datasauRus now on CRAN appeared first on ...

Building machine learning and statistical models often requires pre- and post-transformation of the input and/or response variables, prior to training (or fitting) the models. For example, a model may require training on the logarithm of the response and input variables. As a consequence, fitting and then generating predictions from ...

A week or so ago, I came up with a new chart type – race concordance charts – for looking at a motor circuit race from the on-track perspective of a particular driver. Here are a couple of examples from the 2017 F1 Grand Prix: The gap is the time to the car ...

Missing data is a problem that challenge data analysis methodologically and computationally in medical research. Patients of the clinical trials and cohort studies may drop out of the study, and therefore, generate missing data. The missing data could be at random when participants who drop out of study are not ...

By Milind Paradkar In today’s algorithmic trading having a trading edge is one of the most critical elements. It’s plain simple. If you don’t have an edge, don’t trade! Hence, as a quant, one is always on a look out for good trading ideas. One of ...

R is my language of choice for data science but a good data scientist should have some knowledge of all of the great tools available to them. Recently, I have been gleefully using Python for machine learning problems (specifically pandas and the wonderful scikit-learn). However, for all its greatness, I ...

By Thiloshon Nagarajah URL of project idea page: https://github.com/rstats-gsoc/gsoc2017/wiki/Integrating-biodiversity-data-curation-functionality Introduction The importance of data in the biodiversity research has been repeatedly stressed in the recent times and various organizations have come together and followed each other to provide data for advancing biodiversity research. But, ...

Just a few days ago I stated the following on Twitter: Just reduced the runtime of an algorithm from 9 hours to 3 min. by using a different data structure… Know you data structures ? #rstats — Verena Haunschmid (@ExpectAPatronum) May 1, 2017 Since my tweet has been liked and shared a lot, I thought … Continue ...

Political machinations are a tad insane in the U.S. these days & I regularly hit up @ProPublica & @GovTrack sites (& sub to the GovTrack e-mail updates) as I try to be an informed citizen, especially since I’ve got a Senator and Representative who seem to be in the sway of ?. ...