Window Aggregate operator in batch mode in SQL Server 2019

January 18, 2019
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Window Aggregate operator in batch mode in SQL Server 2019

So this came as a surprise, when working on calculating simple statistics on my dataset, in particular min, max and median. First two are trivial. The last one was the one, that caught my attention. While finding the fastest way…Read more ›

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Rcrastinate is moving.

January 18, 2019
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Rcrastinate is moving.

Hi all, this is just an announcement.I am moving Rcrastinate to a blogdown-based solution and am therefore leaving blogger.com. If you're interested in the new setup and how you...

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Are you parallelizing your raster operations? You should!

January 17, 2019
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Are you parallelizing your raster operations? You should!

If you plan to do anything with the raster package you should definitely consider parallelize all your processes, especially if you are working with very large image files. I couldn’t...

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RcppArmadillo 0.9.200.7.0

January 17, 2019
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RcppArmadillo 0.9.200.7.0

A new RcppArmadillo bugfix release arrived at CRAN today. The version 0.9.200.7.0 is another minor bugfix release, and based on the new Armadillo bugfix release 9.200.7 from earlier...

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Make Teaching R Quasi-Quotation Easier

January 17, 2019
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Make Teaching R Quasi-Quotation Easier

To make teaching R quasi-quotation easier it would be nice if R string-interpolation and quasi-quotation both used the same notation. They are related concepts. So some commonality of notation...

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Winter courses opening! R for Data Science & Statistics for Data Science

January 17, 2019
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Winter courses opening! R for Data Science & Statistics for Data Science

We’re back from the Christmas holidays, with a lot of news! We’ll start the New Year with a new edition of our most requested live courses: R for Data...

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Automated Dashboard for Classification Neural Network in R

January 16, 2019
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Automated Dashboard for Classification Neural Network in R

CategoriesProgramming Tags Data Visualisation Flexdashboard Neural Networks R Programming In this article, you learn how to make Automated Dashboard for Classification Neural Network in R. First you need to install the `rmarkdown` package into your...

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RStudio Connect 1.7.0

January 16, 2019
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RStudio Connect 1.7.0

RStudio Connect is the publishing platform for everything you create in R. In conversations with our customers, R users were excited to have a central place to share all their data...

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ROC Curves

January 16, 2019
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ROC Curves

I have been thinking about writing a short post on R resources for working with (ROC) curves, but first I thought it would be nice to review the basics....

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My course on Hyperparameter Tuning in R is now on Data Camp!

January 16, 2019
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My course on Hyperparameter Tuning in R is now on Data Camp!

I am very happy to announce that (after many months) my interactive course on Hyperparameter Tuning in R has now been officially launched on Data Camp! Course Description For many machine...

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AI, Machine Learning and Data Science Roundup: January 2019

January 16, 2019
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A monthly roundup of news about Artificial Intelligence, Machine Learning and Data Science. This is an eclectic collection of interesting blog posts, software announcements and data applications from Microsoft...

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Using DataCamp reduces anxiety about learning R!

January 16, 2019
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Using DataCamp reduces anxiety about learning R!

I used DataCamp‘s excellent Introduction to R as Essential Prior Independent Study and found it made people a bit less worried about a term of R! I have a lot of...

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Automated Dashboard for Credit Modelling with Decision trees and Random forests in R

January 15, 2019
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Automated Dashboard for Credit Modelling with Decision trees and Random forests in R

CategoriesProgramming Tags Data Visualisation Flexdashboard R Programming RMarkdown In this article, you learn how to make Automated Dashboard for Credit Modelling with Decision trees and Random forests in R. First you need to install the...

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Lecture slides: Real-World Data Science (Fraud Detection, Customer Churn & Predictive Maintenance)

January 15, 2019
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These are slides from a lecture I gave at the School of Applied Sciences in Münster. In this lecture, I talked about Real-World Data Science and showed examples on...

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Use foreach with HPC schedulers thanks to the future package

January 15, 2019
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The future package is a powerful and elegant cross-platform framework for orchestrating asynchronous computations in R. It's ideal for working with computations that take a long time to complete;...

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Feature Selection using Genetic Algorithms in R

January 15, 2019
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Feature Selection using Genetic Algorithms in R

From a gentle introduction to a practical solution, this is a post about feature selection using genetic algorithms in R.

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Using clusterlab to benchmark clustering algorithms

January 15, 2019
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Using clusterlab to benchmark clustering algorithms

Clusterlab is a CRAN package (https://cran.r-project.org/web/packages/clusterlab/index.html) for the routine testing of clustering algorithms. It can simulate positive (data-sets with __1 clusters) and negative controls (data-sets with 1 cluster). Why...

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Selecting ‘special’ photos on your phone

January 15, 2019
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Selecting ‘special’ photos on your phone

At the beginning of the new year I always want to clean up my photos on my phone. It just never happens. So now (like so many others I...

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Mango Solutions contributes to technology partners RStudio conference

January 15, 2019
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As leading advanced analytics partner for RStudio, Mango Solutions are delighted to be contributing to the upcoming rstudio::conf programme with a workshop and a talk. Two of Mango’s senior...

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Neural Text Modelling with R package ruimtehol

January 15, 2019
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Last week the R package ruimtehol was released on CRAN (https://github.com/bnosac/ruimtehol) allowing R users to easily build and apply neural embedding models on text data. It wraps the 'StarSpace' library...

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Understanding the Magic of Neural Networks

January 15, 2019
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Understanding the Magic of Neural Networks

Everything “neural” is (again) the latest craze in machine learning and artificial intelligence. Now what is the magic here? Let us dive directly into a (supposedly little silly) example:...

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Scaling H2O analytics with AWS and p(f)urrr (Part 2)

Scaling H2O analytics with AWS and p(f)urrr (Part 2)

H2O + AWS + purrr (Part II) This is the second installment in a three part series on integrating H2O, AWS and p(f)urrr. In Part II, I will showcase how...

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My presentations on ‘Elements of Neural Networks & Deep Learning’ -Parts 4,5

January 14, 2019
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My presentations on ‘Elements of Neural Networks & Deep Learning’ -Parts 4,5

This is the next set of presentations on “Elements of Neural Networks and Deep Learning”.  In the 4th presentation I discuss and derive the generalized equations for a multi-unit,...

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splashr 0.6.0 Now Uses the CRAN-nascent stevedore Package for Docker Orchestration

January 14, 2019
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splashr 0.6.0 Now Uses the CRAN-nascent stevedore Package for Docker Orchestration

The splashr package — an alternative to Selenium for javascript-enabled/browser-emulated web scraping — is now at version 0.6.0 (still in dev-mode but on its way to CRAN in...

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R Tip: Use Inline Operators For Legibility

January 14, 2019
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R Tip: use inline operators for legibility. A Python feature I miss when working in R is the convenience of Python‘s inline + operator. In Python, + does the...

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ggeffects 0.8.0 now on CRAN: marginal effects for regression models #rstats

January 14, 2019
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ggeffects 0.8.0 now on CRAN: marginal effects for regression models #rstats

I’m happy to announce that version 0.8.0 of my ggeffects-package is on CRAN now. The update has fixed some bugs from the previous version and comes along with many...

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pcLasso: a new method for sparse regression

January 13, 2019
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pcLasso: a new method for sparse regression

I’m excited to announce that my first package has been accepted to CRAN! The package pcLasso implements principal components lasso, a new method for sparse regression which I’ve developed...

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🖊 R Coding Style Guide

January 13, 2019
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🖊 R Coding Style Guide

Language is a tool that allows human beings to interact and communicate with each other. The clearer we express ourselves, the better the idea is transferred from our mind...

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rOpenSci’s new Code of Conduct

We are pleased to announce the release of our new Code of Conduct. rOpenSci’s community is our best asset and it’s important that we put strong mechanisms in place...

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