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 customers. One industry in which churn rates are particularly useful is the telecommunications industry, because most customers have multiple options from which to choose within a Related Post Find Your Best...

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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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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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Timing in R

November 19, 2017
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Timing in R

Nested timings 1) Sys.time() 2) The tictoc package Comparing functions 1) system.time() 2) The microbenchmark package Conclusion As time goes on, your R scripts are probably getting longer and more complicated, right? Timing parts of your...

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Where to live in the Netherlands based on temperature XKCD style

November 19, 2017
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Where to live in the Netherlands based on temperature XKCD style

After seeing a plot of best places to live in Spain and the USA based on the weather, I had to chime in and do...

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Content Evaluation: What is the Value of Social Media?

November 19, 2017
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Content Evaluation: What is the Value of Social Media?

As most bloggers, I do check my analytics stats on a regular basis. What I do not really look at is social shares. For most blog posts traffic follows...

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Automatic output format in Rmarkdown

November 19, 2017
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Automatic output format in Rmarkdown

I am writing a Rmarkdown document with plenty of tables, and I want them in a decent format, e.g. kable. However I don't want to format them one by one....

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Why is R slow? some explanations and MKL/OpenBLAS setup to try to fix this

November 19, 2017
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Introduction Many users tell me that R is slow. With old R releases that is 100% true provided old R versions used its own numerical libraries instead of optimized numerical...

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M4 Forecasting Competition

November 18, 2017
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The “M” competitions organized by Spyros Makridakis have had an enormous influence on the field of forecasting. They focused attention on what models produced good forecasts, rather than on...

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RStudio Keyboard Shortcuts for Pipes

November 18, 2017
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RStudio Keyboard Shortcuts for Pipes

I have just released some simple RStudio add-ins that are great for creating keyboard shortcuts when working with pipes in R. You can install the add-ins from here (which also...

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Statebins Reimagined

November 18, 2017
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Statebins Reimagined

A long time ago, in a github repo far, far away there lived a tiny package that made it possible to create equal area, square U.S. state cartograms in...

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Seasonality of plagues by @ellis2013nz

November 18, 2017
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Seasonality of plagues by @ellis2013nz

Seasonality of plague deaths In the course of my ramblings through history, I recently came across Mark R. Welford and Brian H. Bossak Validation of Inverse Seasonal Peak Mortality in...

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How to combine point and boxplots in timeline charts with ggplot2 facets

November 17, 2017
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How to combine point and boxplots in timeline charts with ggplot2 facets

In a recent project, I was looking to plot data from different variables along the same time axis. The difficulty was, that some of these variables I wanted to...

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Highlights from the Connect(); conference

November 17, 2017
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Connect();, the annual Microsoft developer conference, is wrapping up now in New York. The conference was the venue for a number of major announcements and talks. Here are some...

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padr version 0.4.0 now on CRAN

November 17, 2017
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padr version 0.4.0 now on CRAN

I am happy to share that the latest version of padr just hit CRAN. This new version comprises bug fixes, performance improvements and new functions for formatting datetime variables....

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Gold-Mining – Week 11 (2017)

November 17, 2017
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Week 11 Gold Mining and Fantasy Football Projection Roundup now available. Go get that free agent gold! The post Gold-Mining – Week 11 (2017) appeared first on Fantasy Football Analytics.

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Network analysis video – 7th Scottish QGIS user group

November 17, 2017
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Network analysis video – 7th Scottish QGIS user group

Network analysis presentation from the 7th Scottish QGIS user group. Featuring Ordnance Survey open data, QGIS, GRASS and R.

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Teaching to machines: What is learning in machine learning entails?

November 16, 2017
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Teaching to machines: What is learning in machine learning entails?

Preamble Figure 1: The oldest learning institution  in the world; University of Bologna. (Source: Wikipedia). Machine Learning (ML) is now a de-facto skill for every quantitative job and almost every industry embraced it, even though fundamentals of...

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pool package on CRAN

November 16, 2017
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The pool package makes it easier for Shiny developers to connect to databases. Up until now, there wasn’t a clearly good way to do this. As a Shiny app...

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Six tips for running a successful unconference

Six tips for running a successful unconference

Attendees at the May 2017 rOpenSci unconference. Photo credit: Nistara Randhawa In May 2017,...

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The City of Chicago uses R to issue beach safety alerts

November 16, 2017
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The City of Chicago uses R to issue beach safety alerts

Among the many interesting talks I saw a the Domino Data Science Pop-Up in Chicago earlier this week was the presentation by Gene Lynes and Nick Lucius from the...

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New IBM Plex Sans Support in hrbrthemes + Automating Axis Text Justification

November 16, 2017
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New IBM Plex Sans Support in hrbrthemes + Automating Axis Text Justification

IBM has a new set of corporate typefaces — dubbed “Plex” — and has released them with a generous open license. IBM Plex Sans is not too shabby: (that...

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Visualizing how confounding biases estimates of population-wide (or marginal) average causal effects

November 15, 2017
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Visualizing how confounding biases estimates of population-wide (or marginal) average causal effects

When we are trying to assess the effect of an exposure or intervention on an outcome, confounding is an ever-present threat to our ability to draw the proper conclusions....

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Where to live in the US

November 15, 2017
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Where to live in the US

I was fascinated by this xkcd comic about where to live based on your temperature preferences. I also thought it’d be fun to try to make a similar one...

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Shiny App for making Pixel Art Models

November 15, 2017
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Shiny App for making Pixel Art Models

Last weekend, I discovered the pixel art. The goal is to reproduce a pixelated drawing. Anyone can do this without any drawing skills because you just have to reproduce...

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