Learnings from 5 months of R-Ladies Chicago (Part 1)

November 22, 2017
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by Angela Li, founder and organizer of R-Ladies Chicago. This article also appears on Angela's personal blog. It’s been a few months since I launched R-Ladies Chicago, so I thought I’d sit down and write up some things that I’ve learned in the course of organizing this wonderful community. Looking back, there are a few things I wish someone...

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Arbitrary Data Transforms Using cdata

November 22, 2017
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Arbitrary Data Transforms Using cdata

We have been writing a lot on higher-order data transforms lately: Coordinatized Data: A Fluid Data Specification Data Wrangling at Scale Fluid Data Big Data Transforms. What I want...

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Mapping “world cities” in R

November 22, 2017
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Mapping “world cities” in R

Here at Sharp Sight, we make a lot of maps. There are a few reasons for this. First, good maps are typically ‘information dense.’ You can get a lot...

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Tips for A/B Testing with R

November 22, 2017
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Tips for A/B Testing with R

Which layout of an advertisement leads to more clicks? Would a different color or position of...

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Le Monde puzzle [#1029]

November 21, 2017
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Le Monde puzzle [#1029]

A convoluted counting Le Monde mathematical puzzle: A film theatre has a waiting room and several projection rooms. With four films on display. A first set of 600 spectators...

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4-Day Workshop in Toronto: Learn R, tidyverse, and Shiny with Dean Attali and Kirill Muller

November 21, 2017
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Kirill Muller and I are excited to announce a 4-day R workshop in Toronto on January 23-26, 2018! To register or for more information click here Readers...

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xray: The R Package to Have X Ray Vision on your Datasets

November 21, 2017
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xray: The R Package to Have X Ray Vision on your Datasets

This package lets you analyze the variables of a dataset, to evaluate how is the shape of your data. Consider this the first step for modeling.

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βCEA

November 21, 2017
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βCEA

Recently, I've been doing a lot of work on the beta version of BCEA (I was after all born in Agrigento $-$ in the picture to the left $-$, which...

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Scale up your parallel R workloads with containers and doAzureParallel

November 21, 2017
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Scale up your parallel R workloads with containers and doAzureParallel

by JS Tan (Program Manager, Microsoft) The R language is by and far the most popular statistical language, and has seen massive adoption in both academia and industry. In...

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dplyr and the design effect in survey samples

November 21, 2017
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Blogdown entry here.For those guys like me who are not such R geeks, this trick could be of interest. The package dplyr can be very useful when it comes...

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Practical Machine Learning with R and Python – Part 6

November 21, 2017
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Practical Machine Learning with R and Python – Part 6

Introduction This is the final and concluding part of my series on ‘Practical Machine Learning with R and Python’. In this series I included the implementations of the most...

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Using an R ‘template’ package to enhance reproducible research or the ‘R package syndrome’

November 21, 2017
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Using an R ‘template’ package to enhance reproducible research or the ‘R package syndrome’

Motivation Have you ever had the feeling that the creation of your data analysis report(s) resulted in looking up, copy-pasting and reuse of code from previous analyses? This approach is time...

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How to Build a Geographic Dashboard with Real-Time Data

November 20, 2017
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How to Build a Geographic Dashboard with Real-Time Data

In this post, I show how to build an interactive geographic dashboard using Displayr, Plotly and R. It is particularly fascinating in that it tracks...

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Shodan – A tool for Security and Market Research

November 20, 2017
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Shodan – A tool for Security and Market Research

So you have a knack for all things data, know a dozen different Machine Learning algorithms, are a skillful user of Big Data tools, and have started learning Deep...

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ochRe – Australia themed colour palettes

ochRe – Australia themed colour palettes

The second rOpenSci OzUnConf was held in Melbourne Australia a few weeks ago. A diverse range of scientists, developers and general good-eggs came together to make some R-magic happen...

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Twitter coverage of the Australian Bioinformatics & Computational Biology Society Conference 2017

November 20, 2017
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Twitter coverage of the Australian Bioinformatics & Computational Biology Society Conference 2017

You know the drill by now. Grab the tweets. Generate the report using RMarkdown. Push to Github. Publish to RPubs. This time it’s the Australian Bioinformatics & Computational Biology...

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R charts in a Tweet

November 20, 2017
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R charts in a Tweet

Twitter recently doubled the maximum length of a tweet to 280 characters, and while all users now have access to longer tweets, few have taken advantage of the opportunity....

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Kaggle’s Advanced Regression Competition: Predicting Housing Prices in Ames, Iowa

November 20, 2017
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Kaggle’s Advanced Regression Competition: Predicting Housing Prices in Ames, Iowa

Introduction Kaggle.com is a website designed for data scientists and data enthusiasts to connect and compete with each other. It is an open community that hosts

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«smooth» package for R. Common ground. Part II. Estimators

November 20, 2017
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«smooth» package for R. Common ground. Part II. Estimators

A bit about estimates of parameters Hi everyone! Today I want to tell you about parameters estimation of smooth functions. But before going into details, there are several things...

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Dataiku 4.1.0: More support for R users!

November 20, 2017
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Dataiku 4.1.0:  More support for R users!

Introduction Recently, Dataiku 4.1.0 was released, it now offers much more support for R users. But wait a minute, Data-what? I guess some of you do not know Dataiku,...

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Predict Customer Churn – Logistic Regression, Decision Tree and Random Forest

November 20, 2017
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Predict Customer Churn – Logistic Regression, Decision Tree and Random Forest

Customer churn occurs when customers or subscribers stop doing business with a company or service, also known as customer attrition. It is also referred as loss of clients or...

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9 Jobs for R users from around the world (2017-11-20)

November 20, 2017
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9 Jobs for R users from around the world (2017-11-20)

To post your R job on the next post Just visit  this link and post a new R job  to the R community. You can post a job for  free  (and there are...

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Housing Prices in Ames, Iowa: Kaggle’s Advanced Regression Competition

November 20, 2017
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Housing Prices in Ames, Iowa: Kaggle’s Advanced Regression Competition

Introduction Residential real estate prices are fascinating... and frustrating. The homebuyer, the home-seller, the real estate agent, the economist, and the banker are all interested in

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Data science courses in R (/python/and others) for $10 at Udemy (Black Friday sale)

November 19, 2017
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Data science courses in R (/python/and others) for $10 at Udemy (Black Friday sale)

Udemy is offering readers of R-bloggers access to its global online learning marketplace for only $10 per course! This deal (offering over 50%-90% discount) is for hundreds of their courses – including many R-Programming,...

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RcppEigen 0.3.3.3.1

November 19, 2017
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A maintenance release 0.3.3.3.1 of RcppEigen is now on CRAN (and will get to Debian soon). It brings Eigen 3.3.* to R. The impetus was a request from CRAN...

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RcppClassic 0.9.9

November 19, 2017
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A maintenance release RcppClassic 0.9.9 is now at CRAN. This package provides a maintained version of the otherwise deprecated first Rcpp API; no new projects should use it. Per...

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Workshop on Deep Learning with Keras and TensorFlow in R

November 19, 2017
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Workshop on Deep Learning with Keras and TensorFlow in R

You can now book me and my 1-day workshop on deep learning with Keras and TensorFlow using R. In my workshop, you will learn the basics of deep learning what cross-entropy and...

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Store Data About Rows

November 19, 2017
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Introduction to keyholder package. Tools for keeping track of information about rows. Prologue During development of my other R package (ruler),...

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M4 Forecasting Competition: response from Spyros Makridakis

November 19, 2017
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Following my post on the M4 competition yesterday, Spyros Makridakis sent me these comments for posting here. I would like to thank Rob, my friend and co-author, for his insightful...

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