Machine learning is hard. Some people spend weeks, months, even years trying to learn machine learning without any success. They play around with datasets, buy

(This article was first published on Exegetic Analytics » R, and kindly contributed to R-bloggers)
I read Data Mining with Rattle and R by Graham Williams over a year ago. It’s not a new book and I’ve just been tardy in writing up a review.

(This article was first published on mages' blog, and kindly contributed to R-bloggers)
In many cases Word is still the preferred file format for collaboration in the office.

(This article was first published on QuantStrat TradeR » R, and kindly contributed to R-bloggers)
So several weeks ago, I decided to listen on a webinar (and myself will be giving one on using quantstrat on Sep.

(This article was first published on Eran Raviv » R, and kindly contributed to R-bloggers)
At least for me, R by faR. MATLAB has its own way of doing things, which to be honest can probably be defended from many angles.

(This article was first published on Bartomeus lab » Rstats, and kindly contributed to R-bloggers) I am trying to have better workflows to ensure data quality and two important things for me are first, scripting as much as posible the data...

(This article was first published on RStudio Blog, and kindly contributed to R-bloggers)
Shiny v0.10 comes with a quick, handy guide. Use the Shiny cheat sheet as a quick reference for building Shiny apps.

(This article was first published on Robin Lovelace - R, and kindly contributed to R-bloggers)
Naming conventions in R are famously anarchic, with no clear winner and multiple conventions in use simultaneously in the same package.

(This article was first published on Lindons Log » R, and kindly contributed to R-bloggers)
This guide is intended to aid any R and Linux user who desires a threaded version of BLAS.

I create supporting pages for two projects I have collaborated with David Varadi in 2013: Proportional Minimum Variance Algorithm Adaptive Shrinkage Method Please check the links to get more info, including supporting blog posts, back-tests, R...

(This article was first published on Ecology in silico, and kindly contributed to R-bloggers)
Being in grad school, I do a lot of scholarly writing that requires associated or embedded R analyses, figures, and tables, plus bibliographies.

Introduction GPUs (Graphic Processing Units) have become much more popular in recent years for computationally intensive calculations.  Despite these gains

(This article was first published on Systematic Investor » R, and kindly contributed to R-bloggers) David Varadi has published two excellent posts / ideas about cooking with momentum: VIX-Adjusted Momentum Error-Adjusted Momentum I just...

(This article was first published on Revolutions, and kindly contributed to R-bloggers) The latest in a series by Daniel Hanson Introduction Correlations between holdings in a portfolio are of course a key component in financial risk...

(This article was first published on Odd Hypothesis, and kindly contributed to R-bloggers) I recently discovered a powerful use for R expression()’s Say you are trying to fit some experimental data to the following nonlinear equation:...

(This article was first published on Revolutions, and kindly contributed to R-bloggers)
R is a functional language, which means that your code often contains a lot of ( parentheses ).

(This article was first published on Revolutions, and kindly contributed to R-bloggers)
by Ilya Kipnis
In this post, I will demonstrate how to obtain, stitch together, and clean data for backtesting using futures data from Quandl.

(This article was first published on Revolutions, and kindly contributed to R-bloggers) IEEE — the world's largest professional association for the language of technology — recently published its ranking of the popularity of programming...

(This article was first published on Thinking inside the box , and kindly contributed to R-bloggers) 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...

(This article was first published on Revolutions, and kindly contributed to R-bloggers) Forbes has published an article today on the integration between Alteryx and Revolution R Enterprise, which gives business analysts the ability to drag...

(This article was first published on mages' blog, and kindly contributed to R-bloggers)
For most purposes PDF or other vector graphic formats such as windows metafile and SVG work just fine.