Schön‘ juten Tach & Moin Moin: R trainings in Berlin & Hamburg

January 22, 2020
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Schön‘ juten Tach & Moin Moin: R trainings in Berlin & Hamburg

R is one of the leading programming languages for data analysis and data visualization. Unlock the potential of data science in our popular R trainings and learn how to turn data into added value with the open source language. With more than 1,500 satisfied participants, eoda’s R trainings are among the leading courses in the

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RStudio Connect 1.8.0

January 21, 2020
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RStudio Connect 1.8.0

RStudio Connect helps data science teams quickly make an impact by enabling them to publicize reports, models, dashboards, and applications created in R and Python with business stakeholders. The 1.8.0 release...

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Objects that feel mutable in R

January 21, 2020
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In R, most often, to change an object, you need to re-assign its new value to it. But sometimes, things feel different because objects are mutable or it seems...

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a very quick Riddle

January 21, 2020
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a very quick Riddle

A very quick Riddler’s riddle last week with the question Find the (integer) fraction with the smallest (integer) denominator strictly located between 1/2020 and 1/2019. and the brute force...

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Using unpack to Manage Your R Environment

January 21, 2020
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In our last note we stated that unpack is a good tool for load R RDS files into your working environment. Here is the idea expanded into a worked...

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Explanatory Model Analysis with modelStudio

January 21, 2020
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Explanatory Model Analysis with modelStudio

Version 0.2.1 of the modelStudio package reached CRAN this week. Let me shortly overview coolest new features (list of all changes).Short reminder: The modelStudio package creates an interactive serverless...

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Neural Network Machine Learning for NLP

January 21, 2020
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Neural Network Machine Learning for NLP

Last week, we updated package ruimtehol on CRAN. The package provides an easy interface for R users to Starspace which is a general purpose neural embedding model for text data. Notable...

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Product Price Prediction: A Tidy Hyperparameter Tuning and Cross Validation Tutorial

January 21, 2020
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Product Price Prediction: A Tidy Hyperparameter Tuning and Cross Validation Tutorial

Product price estimation and prediction is one of the skills I teach frequently - It's a great way to analyze competitor product information, your own company's product data, and...

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Explainable AI (XAI)… Explained! Or: How to whiten any Black Box with LIME

January 21, 2020
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Explainable AI (XAI)… Explained! Or: How to whiten any Black Box with LIME

We already covered the so-called Accuracy-Interpretability Trade-Off which states that oftentimes the more accurate the results of an AI are the harder it is to interpret how it arrived...

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Tips and tricks in RStudio and R Markdown

January 20, 2020
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Tips and tricks in RStudio and R Markdown

Run code Insert a comment in R and R Markdown Knit a R Markdown document Code snippets Ordered list in R Markdown New code chunk in R Markdown Reformat code Others If you have the chance to...

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Automatic DAG learning – part 2

January 20, 2020
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Automatic DAG learning – part 2

Intro We’ve seen on a previous post that one of the main differences between classic ML and Causal Inference is the additional step of using the correct adjustment set for...

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Calculating the Required Sample Size for a Binomial Test in R

Calculating the Required Sample Size for a Binomial Test in R

A Standard Problem: Determining Sample Size Recently, I was tasked with a straightforward question: "In an A/B test setting, how many samples do I have to collect in order to...

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Graph Theory 101 with corruption cases in Spain

January 20, 2020
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Graph Theory 101 with corruption cases in Spain

by María Medina Pérez According to CIS’ barometer, political corruption is the second biggest concern in Spain, only behind unemployment, and has...

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A brief account (via simulation) of the ROC (and its AUC)

January 20, 2020
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A brief account (via simulation) of the ROC (and its AUC)

The ROC (receiver operating characteristic) curve visually depicts the ability of a measure or classification model to distinguish two groups. The area under the ROC (AUC), quantifies the extent...

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unpack Your Values in R

January 20, 2020
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I would like to introduce an exciting feature in the upcoming 1.9.6 version of the wrapr R package: value unpacking. The unpacking notation is made available if you install...

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anytime 0.3.7

January 20, 2020
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A fresh minor release of the anytime package is arriving on CRAN right now. This is the eighteenth release, and it comes roughly five months after the previous...

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How To Say No To Useless Data Science Projects And Start Working On What You Want

January 19, 2020
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How To Say No To Useless Data Science Projects And Start Working On What You Want

Data Scientists and Analysts are starting to overflow their cups with mostly non-value added work at the request of stakeholders. And many don’t have the courage or confidence to...

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December 2019: “Top 40” New R Packages

January 19, 2020
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December 2019: “Top 40” New R Packages

One hundred fifty-two packages made it to CRAN in December. Here are my “Top 40” picks in ten categories: Data, Genomics, Machine Learning, Mathematics, Medicine, Science, Statistics, Time Series,...

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RPushbullet 0.3.3

January 19, 2020
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RPushbullet 0.3.3

Release 0.3.3 of the RPushbullet package just got to CRAN. RPushbullet offers an interface to the neat Pushbullet service for inter-device messaging, communication, and more. It lets you...

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How to Remove Outliers in R

January 19, 2020
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How to Remove Outliers in R

Statisticians often come across outliers when working with datasets and it is important to deal with them because of how significantly they can distort a statistical model. Your dataset...

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What R you in python? (`R` vectors)

January 18, 2020
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reticulate allows us to toggle between R and python in the same session, callling R objects when running python scripts and vice versa. When calling R data structures in...

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Feller’s coin-tossing puzzle: tidy simulation in R

January 17, 2020
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Feller’s coin-tossing puzzle: tidy simulation in R

Previously in this series: The “lost boarding pass” puzzle The “deadly board game” puzzle The “knight on an infinite chessboard” puzzle The “largest stock profit or loss”...

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Customising your Rprofile

January 17, 2020
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Customising your Rprofile

What is an Rprofile Every time R starts, it runs through a couple of R scripts. One of these scripts is the .Rprofile. This allows users to customise their...

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Introducing nse2r

January 16, 2020
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Introducing nse2r

We are excited to announce the nse2r package. NSE (National Stock Exchange) is the leading stock exchange of India, located in the city of Mumbai. While users can manually...

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Le Monde puzzle [#1127]

January 16, 2020
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Le Monde puzzle [#1127]

A permutation challenge as Le weekly Monde current mathematical puzzle: When considering all games between 20 teams, of which 3 games have not yet been played, wins bring 3...

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RcppRedis 0.1.10: Switch to tinytest

January 16, 2020
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Another minor release of RcppRedis just arrived on CRAN, following a fairly long break since the last release in October 2018. RcppRedis is one of several packages connecting R...

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EARL London 2020 call for abstracts

January 16, 2020
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We’re pleased to announce we have opened the call for EARL London 2020 abstracts! The Enterprise Applications of the R... The post EARL London 2020 call for abstracts appeared first...

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My newyeaRs resolution: slimming down (Seurat)

January 15, 2020
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My newyeaRs resolution: slimming down (Seurat)

I’m currently developing a single-cell RNA Sequencing pipeline for NetworkAnalyst; an open source, web-based platform for comprehensive gene expression profiling & meta-analysis. The website uses mostly R code (via...

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rOpenSci 2019 Code of Conduct Transparency Report

In January 2019, we announced the release of rOpenSci’s Code of Conduct version 2.0. This includes a named Committee, greater detail about unacceptable behaviors, instructions on how to make...

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