925 search results for "Finance"

The Rt of naming your blog

January 28, 2017
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The Rt of naming your blog

In this post, I’m sharing a brand-new analysis! The reason for this is my blog being added to R-bloggers by Tal Galili after I filled this form. R-bloggers is a collection of blogs about R, whose new posts get added to the website via the magic of RS...

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CRAN now has 10,000 R packages. Here’s how to find the ones you need.

January 27, 2017
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CRAN now has 10,000 R packages. Here’s how to find the ones you need.

CRAN, the global repository of open-source packages that extend the capabiltiies of R, reached a milestone today. There are now more than 10,000 R packages available for download*. (Incidentally, that count doesn't even include all the R packages out there. There are also another 1294 packages for genomic analysis in the BioConductor repository, hundreds of R packages published only...

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Upcoming R Conferences

January 23, 2017
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Since a few new events have been announced recently, I thought I'd give a run-down on some major R conferences coming up in the next six months. February 18: satRdays, Cape Town (South Africa). This is the second in a series of one-day conferences inspired by an R Consortium proposal. The first event in Budapest was a great success,...

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tidyquant 0.3.0: ggplot2 Enhancements, Real-Time Data, and More

tidyquant 0.3.0: ggplot2 Enhancements, Real-Time Data, and More

tidyquant, version 0.3.0, is a pretty sizable release that includes a little bit for everyone, including new financial charting and moving average geoms for use with ggplot2, a new tq_get get option called "key.stats" for retrieving real-time stock inf...

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Speed Up Your Code Part 2: Parallel Processing Financial Data with multidplyr + tidyquant

Speed Up Your Code Part 2: Parallel Processing Financial Data with multidplyr + tidyquant

Since my initial post on parallel processing with multidplyr, there have been some recent changes in the tidy eco-system: namely the package tidyquant, which brings financial analysis to the tidyverse. The tidyquant package drastically increase the amo...

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A Recipe for Automatically Going From Data to Text to Reveal.js Slides

January 20, 2017
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A Recipe for Automatically Going From Data to Text to Reveal.js Slides

Over the last few years, I’ve experimented on and off with various recipes for creating text reports from tabular data sets, (spreadsheet plugins are also starting to appear with a similar aim in mind). There are several issues associated with this, including: identifying what data or insight you want to report from your dataset; (automatically

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Easily explore a table with shinycsv

January 19, 2017
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Easily explore a table with shinycsv

Have you ever had to explore a table with data? I believe the answer is yes for most people that work at a computer or even just use it for communicating with their friends and family. Tables of data pop up everywhere, for example in personal finance. Websites like Mint.com allow you to download your transactions in...

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Using R to download high frequency trade data directly from Bovespa

January 18, 2017
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Using R to download high frequency trade data directly from Bovespa

Using package GetHFData - Recently, Bovespa, the Brazilian financial exchange company, allowed external access to its ftp site. In this address one can find several information regarding the Brazilian financial system, including d...

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Searching for predatory journals and publishers with R

January 17, 2017
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Searching for predatory journals and publishers with R

Using package predatory - The recent rise of publications in predatory journals is a big issue in the academic community and it hurts the development of science. This is especially true for developing countries such as Brazil, whe...

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How to calculate betas (systematic risk) for a large number of stocks

January 15, 2017
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How to calculate betas (systematic risk) for a large number of stocks

A comparison between using a loop, function by and the package dplyr - One of the first examples about using linear regression models in finance is the calculation of betas, the so called market model. Coefficient beta is a measur...

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