651 search results for "KnitR"

Hierarchical Risk Parity Implementation in Rcpp and OpenMP

May 26, 2016
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Hierarchical Risk Parity Implementation in Rcpp and OpenMP

Summary Recently, there has been a new research paper coming out with the goal of improving Markowitz’s Critical Line Algorithm (CLA) published by Marcos Lopez de Prado. The methodology is also currently patent pending and the paper can be downloaded here. The methodology suggested by the paper proposes the Hierarchical Risk Parity (HRP) approach. The HRP approach aims at...

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Harvesting more Canadian climate data

May 24, 2016
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Harvesting more Canadian climate data

A while back I wrote some code to download climate data from Government of Canada’s historical climate/weather data website for one of our students. In May this year (2016) the Government of Canada changed their website a little and the API code that responded to requests had changed URL and some of the GET parameters had also changed....

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Installing WVPlots and “knitting R markdown”

May 20, 2016
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Installing WVPlots and “knitting R markdown”

Some readers have been having a bit of trouble using devtools to install WVPlots. I thought I would write a note with a few instructions to help. These are things you should not have to do often, and things those of us already running R have stumbled through and forgotten about. First you will need … Continue reading...

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R Markdown & Bloggin’: Part 1 – Inserting Code

April 8, 2016
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R Markdown & Bloggin’: Part 1 – Inserting Code

Reino Bruner April 8, 2016 As a data scientist, I find the vast majority of the useful content I produce just gets stored into a rainy day folder until I have further need for it. I think it would be more beneficial if I brought some of the functions, processes, and knowledge I have developed Continue Reading.. The post...

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Geographic data to service the needs of a remote employee – part1

April 4, 2016
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Geographic data to service the needs of a remote employee – part1

By Ava Yang Background Ever since I started working remotely, some friends suggested “Why not work as usual as you travel across China, instead of staying in Shanghai?” Many cool people have practiced the lifestyle, but most of the time … Continue reading →

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Election analysis contest entry part 2 – building the nzelect R package

April 3, 2016
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Election analysis contest entry part 2 – building the nzelect R package

Motivation This post is the second in a series that make up my entry in Ari Lamstein’s R Election Analysis Contest, Yesterday I introduced the nzelect R package from a user perspective. Today I’m writing about how the build of that package works. This might be of interest to someone planning on doing something...

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Dealing with non-proportional hazards in R

March 29, 2016
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Dealing with non-proportional hazards in R

As things change over time so should our statistical models. The image is CC by Prad Prathivi Since I'm frequently working with large datasets and survival data I often find that the...

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New RStudio add-in to schedule R scripts

With the release of RStudio add-in possibilities, a new area of productivity increase and expected new features for R users has arrived. Thanks to the help of Oliver who has written an RStudio add-in on top of taskscheduleR, scheduling and automating a...

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Submitting packages to CRAN

This note lists a few of the mistakes that one can make before submitting a package to CRAN. The list is based on my own mistakes when submitting the ggnetwork package to CRAN for the first time (see this other note for comments about the package itself). Single quotes around package names While the CRAN Repository...

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R Markdown v0.9.5

March 21, 2016
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R Markdown v0.9.5

A new release of the rmarkdown package is now available on CRAN. This release features some long-requested enhancements to the HTML document format, including: The ability to have a floating (i.e. always visible) table of contents. Folding and unfolding for R code (to easily show and hide code for either an entire document or for individual chunks).

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