As with the other videos from our codecentric.ai Bootcamp (Random Forests, Neural Nets & Gradient Boosting), I am again sharing an English version of the script (plus R code) for this most recent addition on How Convolutional Neural Nets work. In this lesson, I am going to explain how computers ...

I. Context The French Baccalaureate (BAC) is the final exam all French students must pass to graduate from high school. Not only is it necessary to graduate, but a student's performance on the BAC is the American equivalent to one's performance on the ACT/SAT for college applications. As I ...

While working on a variation of the RcppDynProg algorithm we derived the following beautiful identity of 2 by 2 real matrices: The superscript “top” denoting the transpose operation, the ||.||^2_2 denoting sum of squares norm, and the single |.| denoting determinant. This is derived from one of the check equations for the Moore–Penrose ...

At one of my clients I run RStudio under Citrix in order to have access to their data. For the most part this works fine. However, every time I visit them I spend the first few minutes of my day installing packages because my environment does not seem to be ...

CategoriesAdvanced Modeling Tags Data Visualisation Linear Regression R Programming In this third post, I am going to build an ARMA-GARCH model for Dow Jones Industrial Average (DJIA) daily log-returns. You can read the first and second part which I published previously. Packages The packages being used in this post series ...

The distance to the sea is a fundamental variable in geography, especially relevant when it comes to modeling. For example, in interpolations of air temperature, the distance to the sea is usually used as a predictor variable, since there is a casual relationship between the two that explains the spatial ...

In late November 2018, we ran the third annual rOpenSci ozunconf. This is the sibling rOpenSci unconference, held in Australia. We ran the first ozunconf in Brisbane in 2016, and the second in Melbourne in 2017. Photos taken by Ajay from Fotoholics As usual, before the unconf, we started discussion on GitHub issue ...

In our next MünsteR R-user group meetup on Tuesday, February 5th, 2019, titled Don’t reinvent the wheel: making use of shiny extension packages., Suthira Owlarn will introduce the shiny package and show how she used it to build an interactive we...

The BH package provides a sizeable portion of the Boost C++ libraries as a set of template headers for use by R. It is quite popular, and frequently used together with Rcpp. The BH CRAN page shows e.g. that it is used by rstan, dplyr as well as a ...

One of the most pleasant surprises has been the popularity of my htmlTable-package with more than 100k downloads per month. This is all thanks to more popular packages relying on it and the web expanding beyond its original boundaries. As a thank you I have taken the time to update ...

Learn how to build a shiny app for the visualization of clustering results. The app helps to better identify patient data samples, e.g. during a clinical study. This tutorial is a joint work effort. The Tutorial was presented by Olaf Menzer in a workshop at the ODSC West Conference ...

One of the reasons why I have started the [crayon-5c3391557694e638764676-i/] package is to use it for marketing research and marketing analytics. The common problem that I face, when working with these courses is analysing the data measured in different scales. While R handles numeric scales natively, the ...

Tutorial: An app in R shiny visualizing biopsy data — in a pharmaceutical company Learn how to build a shiny app for the visualization of clustering results. The app helps to better identify patient data samples, e.g. during a clinical study. This tutorial is a joint work effort. The Tutorial ...

The specflow and cucumber.io for R. Enabling non-coders to interpret test reports for R-packages, moreover allowing non-coders to create test cases. A step towards simple r package validation. by startupstockphotos http://startupstockphotos.com/post/143841899156Table of contents Why RTest? What’s special about RTest? An example of a test ...