After more than a decade of consistent losses from rolling a long NG position, the cumulative return has been positive for the past 12 months.  This has only occurred briefly during the 'polar vortex' of early 2014 and during the 2008 commodities 'super cycle' peak. For years, long only positions in NG have ...

Hugo Bowne-Anderson, the host of DataFramed, the DataCamp podcast, recently interviewed Peter Bull, a data scientist for social good and co-founder of Driven Data. Here is the podcast link. Introducing Peter Bull Hugo: Hi there, Peter, and welcome to Data Framed. Peter: Thanks, Hugo. I'm happy to be here. Hugo: ...

Introduction I’ve spent the past few weeks writing about MCHT, my new package for Monte Carlo and bootstrap hypothesis testing. After discussing how to use MCHT safely, I discussed how to use it for maximized Monte Carlo (MMC) testing, then bootstrap testing. One may think I’ve said all ...

Two weeks ago I mentioned that I was clearing my calendar until I finished writing A Guide to Working with Census Data in R. Today I’m... The post “A Guide to Working With Census Data in R” is now Complete! appeared first on AriLamstein.com.

Motivation There are dozens of machine learning algorithms out there. It is impossible to learn all their mechanics, however, many algorithms sprout from the most established algorithms, e.g. ordinary least squares, gradient boosting, support vector machines, tree-based algorithms and neural networks. At STATWORX we discuss algorithms daily to evaluate ...

Introduction This is an analysis of the Kaggle 2018 survey dataset. In my analysis I am trying to understand the similarities and differences between men and women users from US and India, since these are the two biggest segments of the respondent population. The number of respondents who chose someting other ...

A new version of MetaLandSim is now available at the CRAN webpage. This update was needed because another package, from which MetaLandSim depends, changed a function used by this package causing it to malfunction.

Box plots are great as they do not only indicate the median value but also show the variation of the measurements in terms of the 1st and 3rd quartiles. There are, however, also plots that provide a bit of additional information. Here, we take a closer look at potential alternatives ...

The Rocker Project maintains the official Docker images of interest to R users. I use their images as a base to deploy containerized Shiny apps, but the virtual size of the images I build tends to fall in the range between 400 and 600 MB. To reduce t...

R might not be the most obvious tool when it comes to analysing audio data. However, an increasing number of packages allows analysing and synthesising sounds. One of such packages is seewave. Jerome Sueur, one of the authors of seewave, now wrote a book about working with audio data in ...