Transfer Learning with augmented Data for Logo Detection

August 20, 2017
By
Transfer Learning with augmented Data for Logo Detection

The last months, I have worked on brand logo detection in R with Keras. Starting with a model from scratch adding more data and using a pretrained model. The goal is to build a (deep) neural net that is able to identify brand logos in images. Just ...

Read more »

DART: Dropout Regularization in Boosting Ensembles

August 20, 2017
By
DART: Dropout Regularization in Boosting Ensembles

The dropout approach developed by Hinton has been widely employed in deep learnings to prevent the deep neural network from overfitting, as shown in https://statcompute.wordpress.com/2017/01/02/dropout-regularization-in-deep-neural-networks. In the paper http://proceedings.mlr.press/v38/korlakaivinayak15.pdf,...

Read more »

Model Operational Losses with Copula Regression

August 20, 2017
By
Model Operational Losses with Copula Regression

In the previous post (https://statcompute.wordpress.com/2017/06/29/model-operational-loss-directly-with-tweedie-glm), it has been explained why we should consider modeling operational losses for non-material UoMs directly with Tweedie models. However, for material UoMs with significant...

Read more »

Wrong on an Astronomical Scale

August 20, 2017
By
Wrong on an Astronomical Scale

I recently posted an update regarding our R package revisit, aimed at partially remedying the reproducibility crisis, both in the sense of (a) providing transparency to data analyses and...

Read more »

RcppArmadillo 0.7.960.1.1

August 20, 2017
By
RcppArmadillo 0.7.960.1.1

On the heels of the very recent bi-monthly RcppArmadillo release comes a quick bug-fix release 0.7.960.1.1 which just got onto CRAN (and I will ship a build to...

Read more »

Answer probability questions with simulation

August 20, 2017
By
Answer probability questions with simulation

Probability is at the heart of data science. Simulation is also commonly used in algorithms such as the bootstrap. After completing this exercise, you will have a slightly stronger intuition...

Read more »

#10: Compacting your Shared Libraries, After The Build

August 20, 2017
By
#10: Compacting your Shared Libraries, After The Build

Welcome to the tenth post in the rarely ranting R recommendations series, or R4 for short. A few days ago we showed how to tell the linker to strip...

Read more »

joyplot for GSEA result

August 20, 2017
By
joyplot for GSEA result

I am very glad to find that someone figure out how to use ggjoy with ggtree. I really love ggjoy and believe it can be a good tool to visualize...

Read more »

DART: Dropout Regulation in Boosting Ensembles

August 19, 2017
By
DART: Dropout Regulation in Boosting Ensembles

The dropout approach developed by Hinton has been widely employed in the context of deep learnings to prevent the deep neural network from over-fitting, as shown in https://statcompute.wordpress.com/2017/01/02/dropout-regularization-in-deep-neural-networks. In...

Read more »

How to install wgrib2 in OSX

August 19, 2017
By
How to install wgrib2 in OSX

Prompted by both my own struggles with wgrib2 compilation and a plea on the rNOMADS email listserv, I’m going to describe how to compile and install wgrib2 on Mac...

Read more »

Is dplyr Easily Comprehensible?

August 19, 2017
By
Is dplyr Easily Comprehensible?

dplyr is one of the most popular R packages. It is powerful and important. But is it in fact easily comprehensible?dplyr makes sense to those of us who use...

Read more »

simplyR

August 19, 2017
By

simplyR is a web space where we’ll be posting practical and easy guides for solving real important problems using R programming language. As we aren’t fans of unnecessary complications, we’ll...

Read more »

Zillow Rent Analysis

August 19, 2017
By
Zillow Rent Analysis

Hello Readers, This is a notification post – Did you realize our website has moved? The blog is live at New JA Blog under the domain http://www.journeyofanalytics.com . You...

Read more »

More things with the New Zealand Election Study by @ellis2013nz

August 19, 2017
By
More things with the New Zealand Election Study by @ellis2013nz

A new cross tab tool I recently put up a simple web app, built with R Shiny, to let users explore the relationship between party vote in the 2014 New...

Read more »

Obstacles to performance in parallel programming

August 18, 2017
By

Making your code run faster is often the primary goal when using parallel programming techniques in R, but sometimes the effort of converting your code to use a parallel...

Read more »

Starting a Rmarkdown Blog with Bookdown + Hugo + Github

August 18, 2017
By
Starting a Rmarkdown Blog with Bookdown + Hugo + Github

Finally, -after 24h of failed attempts-, I could get my favourite Hugo theme up and running with R Studio and Blogdown. All the steps I followed are detailed in...

Read more »

ggvis Exercises (Part-2)

August 18, 2017
By
ggvis Exercises (Part-2)

INTRODUCTION The ggvis package is used to make interactive data visualizations. The fact that it combines shiny’s reactive programming model and dplyr’s grammar of data transformation make it a...

Read more »

GoTr – R wrapper for An API of Ice And Fire

August 18, 2017
By
GoTr – R wrapper for An API of Ice And Fire

Ava Yang It’s Game of Thrones time again as the battle for Westeros is heating up. There are tons of ideas, ingredients and interesting analyses out there and I was...

Read more »

Estimating Gini coefficient when we only have mean income by decile by @ellis2013nz

August 18, 2017
By
Estimating Gini coefficient when we only have mean income by decile by @ellis2013nz

Income inequality data Ideally the Gini coefficient to estimate inequality is based on original household survey data with hundreds or thousands of data points. Often this data isn’t available...

Read more »

Oil leakage… those old BMW’s are bad :-)

August 18, 2017
By
Oil leakage…  those old BMW’s are bad :-)

Introduction My first car was a 13 year Mitsubishi Colt, I paid 3000 Dutch Guilders for it. I can still remember a friend that would not like me to...

Read more »

RcppArmadillo 0.7.960.1.0

August 17, 2017
By
RcppArmadillo 0.7.960.1.0

The bi-monthly RcppArmadillo release is out with a new version 0.7.960.1.0 which is now on CRAN, and will get to Debian in due course. And it is a big...

Read more »

2017 App Update

August 17, 2017
By

As you may have noticed, we have made a few changes to our apps for the 2017 season to bring you a smoother and quicker experience while also adding...

Read more »

Chapman University DataFest Highlights

August 17, 2017
By
Chapman University DataFest Highlights

Editor’s Note: The 2017 Chapman University DataFest was held during the weekend of April 21-23. The 2018 DataFest will be held during the weekend of April 27-29. DataFest was founded...

Read more »

I made a 3D movie with ggplot2 once – here’s how I did it

August 17, 2017
By
I made a 3D movie with ggplot2 once – here’s how I did it

Some time ago (last year actually 😳) I had a blast developing a feature for ggforce which had been on my mind for far to long than its limited utility...

Read more »

RStudio Server Pro is ready for BigQuery on the Google Cloud Platform

August 17, 2017
By
RStudio Server Pro is ready for BigQuery on the Google Cloud Platform

RStudio is excited to announce the availability of RStudio Server Pro on the Google Cloud Platform. RStudio Server Pro GCP is identical...

Read more »

20 years of the R Core Group

August 17, 2017
By

The first "official" version of R, version 1.0.0, was released on February 29, 200. But the R Project had already been underway for several years before then. Sharing this...

Read more »

Simpson’s Rule for Approximating Definite Integrals in R

August 17, 2017
By
Simpson’s Rule for Approximating Definite Integrals in R

Part 9 of 9 in the series Numerical AnalysisSimpson’s rule is another closed Newton-Cotes formula for approximating integrals over an interval with equally spaced nodes. Unlike the trapezoidal rule,...

Read more »

Probability functions beginner

August 17, 2017
By
Probability functions beginner

On this set of exercises, we are going to explore some of the probability functions in R with practical applications. Basic probability knowledge is required. Note: We are going...

Read more »

Tesseract and Magick: High Quality OCR in R

August 17, 2017
By
Tesseract and Magick: High Quality OCR in R

Last week we released an update of the tesseract package to CRAN. This package provides R bindings to Google's OCR library Tesseract. install.packages("tesseract") The new version ships with the latest libtesseract...

Read more »

Search R-bloggers

Sponsors

Mango solutions





Zero Inflated Models and Generalized Linear Mixed Models with R

r-brain.io



Quantide: statistical consulting and training

ODSC1

ODSC2

datasociety

http://www.eoda.de





CRC R books series







Six Sigma Online Training



omictools

statcon.de

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