R Studio Shortcuts and Tips

March 26, 2019
By
R Studio Shortcuts and Tips

How can you work faster in R Studio? Do you really want to know? In this article, I would like to share with you some of my favorite productivity features of R Studio along with their respective shortcuts. As well I will provide information about some other tools and techniques that are useful. I also prepared Article R Studio Shortcuts...

Read more »

Inverse Statistics – and how to create Gain-Loss Asymmetry plots in R

March 26, 2019
By
Inverse Statistics – and how to create Gain-Loss Asymmetry plots in R

Asset returns have certain statistical properties, also called stylized facts. Important ones are: Absence of autocorrelation: basically the direction of the return of one day doesn’t tell you anything...

Read more »

Use RStudio Server in a Virtual Environment with Docker in Minutes!

March 25, 2019
By
Use RStudio Server in a Virtual Environment with Docker in Minutes!

A fundamental aspect of the reproducible research framework is that (statistical) analysis can be reproduced; that is, given a set of instructions (or a script file) the exact results...

Read more »

Markov chain Monte Carlo doesn’t “explore the posterior”

March 25, 2019
By
Markov chain Monte Carlo doesn’t “explore the posterior”

First some background, then the bad news, and finally the good news. Spoiler alert: The bad news is that exploring the posterior is intractable; the good news is that...

Read more »

What it the interpretation of the diagonal for a ROC curve

March 25, 2019
By
What it the interpretation of the diagonal for a ROC curve

Last Friday, we discussed the use of ROC curves to describe the goodness of a classifier. I did say that I will post a brief paragraph on the interpretation...

Read more »

Operator Notation for Data Transforms

March 25, 2019
By

As of cdata version 1.0.8 cdata implements an operator notation for data transform. The idea is simple, yet powerful. First let’s start with some data. d

Read more »

Critical Thinking in Data Science

March 25, 2019
By
Critical Thinking in Data Science

Hugo Bowne-Anderson, the host of DataFramed, the DataCamp podcast, recently interviewed Debbie Berebichez, a physicist, TV host and data scientist and is currently the Chief Data Scientist at Metis...

Read more »

quantmod_0.4-14 on CRAN

March 25, 2019
By

I just pushed a new release of quantmod to CRAN! I'm most excited about the update to getSymbols() so it doesn't throw an error and stop processing if there's a problem with one...

Read more »

Play with the cyphr package

March 24, 2019
By

The cyphr package seems to provide a good choice for small research group that shares sensitive data over internet (e.g., DropBox). I did some simple experiment myself and made...

Read more »

Summer Interns 2019

March 24, 2019
By

We received almost 400 applications for our 2019 internship program from students with very diverse backgrounds. After interviewing several dozen people and making some very difficult decisions, we...

Read more »

nice student project

March 24, 2019
By

In all of my undergraduate classes, I require a term project, done in groups of 3-4 students. Though the topic is specified, it is largely open-ended, a level of...

Read more »

ShinyProxy 2.2.0

March 24, 2019
By
ShinyProxy 2.2.0

ShinyProxy is a novel, open source platform to deploy Shiny apps for the enterprise or larger organizations. Secured Embedding of Shiny Apps Since version 2.0.1 ShinyProxy provides a REST API to manage...

Read more »

Using R and H2O to identify product anomalies during the manufacturing process.

March 23, 2019
By
Using R and H2O to identify product anomalies during the manufacturing process.

Introduction:We will identify anomalous products on the production line by using measurements from testing stations and deep learning models. Anomalous products are not failures, these anomalies are products close...

Read more »

How cdata Control Table Data Transforms Work

March 23, 2019
By

With all of the excitement surrounding cdata style control table based data transforms (the cdata ideas being named as the “replacements” for tidyr‘s current methodology, by the tidyr authors...

Read more »

Strength of a Lennon song exposed with R function glue::glue

March 23, 2019
By
Strength of a Lennon song exposed with R function glue::glue

love_verse

Read more »

Can you turn 1,500 R$ into 1,000,430 R$ by investing in the stock market?

March 22, 2019
By
Can you turn 1,500 R$ into 1,000,430 R$ by investing in the stock market?

In the last few weeks we’ve seen a great deal of controversy in Brazil regarding financial investments. Too keep it short, Empiricus, an ad-based company that massively sells online...

Read more »

RcppArmadillo 0.9.300.2.0

March 22, 2019
By
RcppArmadillo 0.9.300.2.0

A new RcppArmadillo release based on a new Armadillo upstream release arrived on CRAN and Debian today. Armadillo is a powerful and expressive C++ template library for linear algebra aiming...

Read more »

Data Fun – Inspired by Darasaurus

March 22, 2019
By
Data Fun – Inspired by Darasaurus

After my recent post on Anscombe's Quartet in which I demonstrated how to efficiently adjust any data set to match mean, variance, correlation (x,y), as well as regression coefficients....

Read more »

Why we Did Not Name the cdata Transforms wide/tall/long/short

March 22, 2019
By
Why we Did Not Name the cdata Transforms wide/tall/long/short

We recently saw this UX (user experience) question from the tidyr author as he adapts tidyr to cdata techniques. The terminology that he is not adopting from cdata is...

Read more »

Decode Lyrics in Pop Music: Visualise Prose with the Songsim algorithm

March 22, 2019
By
Decode Lyrics in Pop Music: Visualise Prose with the Songsim algorithm

The post Decode Lyrics in Pop Music: Visualise Prose with the Songsim algorithm appeared first on The Lucid Manager. The lyrics of songs are more and more repetitive. Wihin this...

Read more »

A Quick and Tidy Look at the 2018 GSS

March 22, 2019
By
A Quick and Tidy Look at the 2018 GSS

The data from the 2018 wave of the General Social Survey was released during the week, leading to a flurry of graphs showing various trends. The GSS is one...

Read more »

AFL teams Elo ratings and footy-tipping by @ellis2013nz

March 22, 2019
By
AFL teams Elo ratings and footy-tipping by @ellis2013nz

So now that I live in Melbourne, to blend in with the locals I need to at least vaguely follow the AFL (Australian Football League). For instance, my work...

Read more »

Human Face Detection with R

March 22, 2019
By
Human Face Detection with R

Doing human face detection with computer vision is probably something you do once unless you work for police departments, you work in the surveillance industry or for the Chinese...

Read more »

How to Speed Up Gradient Boosting by a Factor of Two

March 22, 2019
By
How to Speed Up Gradient Boosting by a Factor of Two

Our latest tool development at STATWORX: random boost, an algorithm twice as fast as gradient boosting, with comparable prediction performance. Der Beitrag How to Speed Up Gradient Boosting by...

Read more »

How long since your team scored 100+ points? This blog’s first foray into the fitzRoy R package

March 21, 2019
By
How long since your team scored 100+ points? This blog’s first foray into the fitzRoy R package

When this blog moved from bioinformatics to data science I ran a Twitter poll to ask whether I should start afresh at a new site or continue here. “Continue...

Read more »

RStudio Connect 1.7.2

March 21, 2019
By
RStudio Connect 1.7.2

RStudio Connect 1.7.2 is ready to download, and this release contains some long-awaited functionality that we are excited to share. Several authentication and user-management tooling improvements have been added, including the...

Read more »

Upcoming talks in spring 2019

March 21, 2019
By
Upcoming talks in spring 2019

This spring, I’ll be giving talks at a couple of Meetups and conferences: March, 26th: At the data lounge Bremen, I’ll be talking about Explainable Machine Learning April, 11th: At the...

Read more »

Integrating Qlik Sense and R

March 21, 2019
By
Integrating Qlik Sense and R

Components Qlik Sense is a tool for exploratory data analysis and visualisation. It’s powerful and versatile. It’s can, however, be significantly enhanced by interfacing with R. Qlik Sense does not...

Read more »

How to Avoid Publishing Credentials in Your Code

March 20, 2019
By
How to Avoid Publishing Credentials in Your Code

Roland Stevenson is a data scientist and consultant who may be reached on Linkedin. When accessing an API or database in R, it is often necessary to provide credentials such...

Read more »

Search R-bloggers


Sponsors

Mango solutions







Zero Inflated Models and Generalized Linear Mixed Models with R



wiley.com/learn/datascience

Quantide: statistical consulting and training

ODSC boston

http://www.eoda.de









Six Sigma Online Training

mljar.com

Our ads respect your privacy. Read our Privacy Policy page to learn more.

Contact us if you wish to help support R-bloggers, and place your banner here.