368 search results for "pca"

Introduction to Statistical Methods in R

January 18, 2016
By

Data analyses are the product of many different tasks, and statistical methods are one key aspect of any data analysis. There is a common workflow in the related areas of informatics, data mining, data science, machine learning, and statistics. The workflow tasks include data preparation, the development of predictive mathematical models, and the interpretation and Read More ...The...

Read more »

RcppParallel: Getting R and C++ to work (some more) in parallel

January 15, 2016
By
RcppParallel: Getting R and C++ to work (some more) in parallel

(Post by Dirk Eddelbuettel and JJ Allaire) A common theme over the last few decades was that we could afford to simply sit back and let computer (hardware) engineers take care of increases in computing speed thanks to Moore’s law. That same line of thought now frequently points out that we are getting closer and closer

Read more »

Mini AI app using TensorFlow and Shiny

January 14, 2016
By
Mini AI app using TensorFlow and Shiny

tr;dr Simple image recognition app using TensorFlow and Shiny About My weekend was full of deep learning and AI programming so as a milestone I made a simple image recognition app that: Takes an image input uploaded to Shiny UI Performs image recognition using TensorFlow Plots detected objects and scores in wordcloud App This app is to demonstrate powerful image recognition...

Read more »

Revolution R Open Performance Improvements

January 11, 2016
By
Revolution R Open Performance Improvements

Since last year Revolution Analytics has been publishing beta versions of Revolution R Open and finally in April this year they released RRO 8.0.3. The current release is RRO 3.2.2 (naming was adapted to fit the R version it is built upon). This post will give you an introduction on my favorite new features, how The post

Read more »

Health Care Indicators in Utah Counties

January 10, 2016
By
Health Care Indicators in Utah Counties

The state of Utah (my adopted home) has an Open Data Catalog with lots of interesting data sets, including a collection of health care indicators from 2014 for the 29 counties in Utah. The observations for each county include measurements such as the infant mortality rate, the percent of people who don’t have insurance, what percent of...

Read more »

Repel overlapping text labels in ggplot2

January 8, 2016
By
Repel overlapping text labels in ggplot2

A while back I showed you how to make volcano plots in base R for visualizing gene expression results. This is just one of many genome-scale plots where you might want to show all individual results but highlight or call out important results by labeling them, for example, with a gene name. But if you want to annotate...

Read more »

Multidimensional Scaling with R (from “Mastering Data Analysis with R”)

January 4, 2016
By
Multidimensional Scaling with R (from “Mastering Data Analysis with R”)

Guest post by Gergely Daróczi. If you like this content, you can buy the full 396 paged e-book for 5 USD until January 8, 2016 as part of Packt’s “$5 Skill Up Campaign” at http://bit.ly/mastering-R Feature extraction tends to be one of the most important steps in machine learning and data science projects, so I decided to … Continue reading...

Read more »

Color Quantization in R

January 3, 2016
By
Color Quantization in R

In this post, we'll look at a simple method to identify segments of an image based on RGB color values. The segmentation technique we'll consider is called color quantization. Not surprisingly, this topic lends itself naturally to visualization and R makes it easy to render some really cool graphics for the color quantization problem. ...

Read more »

Write in-line equations in your Shiny application with MathJax

December 30, 2015
By
Write in-line equations in your Shiny application with MathJax

I've been working on a Shiny app and wanted to display some math equations. It's possible to use LaTeX to show math using MathJax, as shown in this example from the makers of Shiny. However, by default, MathJax does not allow in-line equations, because the dollar sign is used so frequently. But I needed to...

Read more »

Our R package roundup

December 30, 2015
By
Our R package roundup

A year in review It’s the time of the year again where one eats too much, and gets in a reflective mood! 2015 is nearly over, and us bloggers here at opiateforthemass.es thought it would be nice to argue endlessly which R package was the best/neatest/most fun/most useful/most whatever in this year! Since we are in a festive mood, we decided...

Read more »

Sponsors

Mango solutions



RStudio homepage



Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training



http://www.eoda.de







ODSC

ODSC

CRC R books series





Six Sigma Online Training





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

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)