April 2017

Survival Analysis with R

April 25, 2017 | R Views

With roots dating back to at least 1662 when John Graunt, a London merchant, published an extensive set of inferences based on mortality records, Survival Analysis is one of the oldest subfields of Statistics [1]. Basic life-table methods, including techniques for dealing with censored data, were known before 1700 [2]. In the early eighteenth ...
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Using checkpoint with knitr and RStudio

April 25, 2017 | David Smith

The knitr package by Yihui Xie is a wonderful tool for reproducible data science. I especially like using it with R Markdown documents, where with some simple markup in an easy-to-read document I can easily combine R code and narrative text to generate an attractive document with words, tables and ... [Read more...]

Package GrpString on CRAN

April 25, 2017 | feirblog

The R package GrpString is originally developed for analyzing and comparing groups of scanpaths in eye-tracking studies. However, it is ideal for string analysis in general, especially for quantifying differences between two groups of strings. Here is the flow chart showing most functions in the current version (0.3.1). Some examples: library(... [Read more...]

Forecasting for small business Exercises (Part-3)

April 25, 2017 | Guillaume Touzin

Uncertainty is the biggest enemy of a profitable business. That is especially true of small business who don’t have enough resources to survive an unexpected diminution of revenue or to capitalize on a sudden increase of demand. In this context, it is especially important to be able to predict ... [Read more...]

plotly 4.6.0 now on CRAN

April 25, 2017 | Carson Sievert

I’m super excited to announce that plotly 4.6.0 is now on CRAN! Go ahead and install it with: install.packages("plotly") This release brings a ton of new features and improvements — some of which are over in the year making. I recently held a webinar introducing the biggest features, including ...
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SPEAKER ANNOUNCEMENT: San Francisco EARL

April 25, 2017 | Karis Bouher

We’re delighted to announce our line up for the first San Francisco EARL Conference. As always, we received a large number of excellent abstracts so the Mango team spent many hours deliberating in order to bring the best program to … Continue reading → [Read more...]

RcppTOML 0.1.3

April 24, 2017 | Thinking inside the box

A new bug fix release of RcppTOML arrived on CRAN today. Table arrays were (wrongly) not allowing for nesting; a simply recursion fix addresses this. RcppTOML brings TOML to R. TOML is a file format that is most suitable for configurations, as it is meant to be edited by humans ... [Read more...]

Rent Prices and TrelliscopeJS

April 24, 2017 | Scott Stoltzman

Rent Prices are Soaring in Most of Colorado Call it gentrification, supply-and-demand, call it whatever you’d like… the fact is, rent prices have gone up in Colorado in the last decade. Chip Oglesby – GitHub – did a nice analysis on the data provided by colorado.gov. Chip’s analysis can ...
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Data Science for Operational Excellence (Part-3)

April 24, 2017 | Lauro Silva

Optimized transportation planning is a task usually left to the firm’s logistic department. However, it is often difficult to visualize, specially if there are many points involved in the logistic network. R and its packages can help solving this issue. Our goal here is to expand logistics networking visualization. ... [Read more...]

Choroplethr v3.6.1 is now on CRAN

April 24, 2017 | Ari Lamstein

Choroplethr version 3.6.1 is now on CRAN. This version makes it easier to Calculate the percent change in demographic datasets Visualize that percent change on a... The post Choroplethr v3.6.1 is now on CRAN appeared first on AriLamstein.com.
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Choroplethr v3.6.1 is now on CRAN

April 24, 2017 | Ari Lamstein

Choroplethr version 3.6.1 is now on CRAN. This version makes it easier to Calculate the percent change in demographic datasets Visualize that percent change on a... The post Choroplethr v3.6.1 is now on CRAN appeared first on AriLamstein.com.
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R 3.4.0 now available

April 24, 2017 | David Smith

R 3.4.0, the latest release of the R programming language (codename: "You Stupid Darkness"), is now available. This is the annual major update to the R language engine, and provides improved performance for R programs. The source code was released by the R Core Team on Friday and binaries for Windows, ... [Read more...]

errors 0.0.1

April 24, 2017 | Iñaki Úcar

In physics, engineering and other disciplines, a single number, a bare quantity, is useless, meaningless. When you measure something, your results will be within the precision of your equipment, and then you need to propagate those errors up to whatever final indirect measure you are interested in. Finally, you need ... [Read more...]

Building an R training environment

April 24, 2017 | Steph

I recently delivered a day of training at SQLBits and I really upped my game in terms of infrastructure for it. The resultant solution was super smooth and mitigated all the install issues and preparation for attendees. This meant we The post Building an R training environment appeared first on ... [Read more...]

NLP with AirBnb

April 23, 2017 | Scott Edenbaum

Basic NLP in R With text survey data about AirBnb R is a very powerful programming language with many great built in statistical functions and a […] The post NLP with AirBnb appeared first on NYC Data Science Academy Blog.
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