929 search results for "finance"

Venture Capital Deals in 2016 – An Overview (2/2)

February 13, 2017
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Venture Capital Deals in 2016 – An Overview (2/2)

  In the previous post (mostly based on EDA principles) I highlighted the main features of 1,720 Venture Capital deals that took place in 2016 in 50 different countries. It is of a central importance to once again underline that the dataset that I used is not a representative sample Read More ...

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My Book is out!

February 6, 2017
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My Book is out!

I am happy to announce that my book about R and Finance (in portuguese) is finally available! The idea of writing a book about R started back in the end of 2015, when I decided to try something different than...

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Quant Screening Backtesting: Turnaround Stocks

February 3, 2017
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Quant Screening Backtesting: Turnaround Stocks

Introduction: What are turnaround stocks? Turnaround investing is the process of looking for investment opportunities in down-and-out companies that are poised to experience a financial recovery. The post Quant Screening Backtesting: Turnaround Stocks appeared first on NYC Data Science Academy Blog.

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Superheat: supercharged heatmaps for R

February 3, 2017
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Superheat: supercharged heatmaps for R

The heatmap is a useful graphical tool in any data scientist's arsenal. It's a useful way of representing data that naturally aligns to numeric data in a 2-dimensional grid, where the value of each cell in the grid is represented by a color. It's a natural fit for data that's in a grid already (say, a correlation matrix). But...

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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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