R Views: an R Community Blog

January New Data Packages

by Joseph Rickert As forecast, the number of R packages hosted on CRAN exceeded 10,000 in January. Dirk Eddelbuettel, who tracks what's happening on CRAN with his CRANberries site, called hurricaneexposure the 10,000th package in [...]

By | February 17th, 2017|Categories: Packages, R Language|0 Comments

Some Notes on the Cauchy Distribution

by Joseph Rickert I have always been attracted to the capricious. So, it was no surprise that I fell for the Cauchy distribution at first sight. I had never seen such unpredictability! You might say [...]

By | February 15th, 2017|Categories: R Language, Statistics|2 Comments

Three Tips for Training Excel Users in R

by Merav Yuravlivker, CEO of Data Society “I’m not a coder” or “I was never good at math” is a frequent refrain I hear when I ask professionals about their data analysis skills. Through popular [...]

By | February 10th, 2017|Categories: Education, R Language|0 Comments

Reproducible Finance with R: ETF Country Exposure

by Jonathan Regenstein Today, we are going to tackle a project that has long been on my wish list: a Shiny app to take a fund or portfolio, analyze its exposure to different countries, and [...]

By | February 8th, 2017|Categories: Finance, R Language|4 Comments

Reproducible Finance with R: Sector Correlations Shiny App

by Jonathan Regenstein In a previous post, we built an R Notebook that pulled in data on sector ETFs and allowed us to calculate the rolling correlation between a sector ETF and the S&P 500 [...]

By | February 3rd, 2017|Categories: Data Science, Finance, R Language, Time Series|3 Comments

The R Formula Method: The Good Parts

by Max Kuhn Introduction The formula interface to symbolically specify blocks of data is ubiquitous in R. It is commonly used to generate design matrices for modeling function (e.g. lm). In traditional linear model statistics, [...]

By | February 1st, 2017|Categories: R Language|1 Comment
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