933 search results for "finance"

How to use jailbreakr

February 17, 2017
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What is jailbreakr The jailbreakr package is probably one of the most interesting packages I came across recently. This package makes it possible to extract messy data from spreadsheets. What is meant by messy? I am sure you already had to deal with spreadsheets that contained little tables inside a single sheet for example. As far...

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Writing a R book and self-publishing it in Amazon

February 16, 2017
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Writing a R book and self-publishing it in Amazon

My experience and some advices about the process - Many people, including my university colleagues and friends, have asked me about the process of writing a book and self publishing it in Amazon. You can find the details about the...

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Ehlers’s Autocorrelation Periodogram

February 15, 2017
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Ehlers’s Autocorrelation Periodogram

This post will introduce John Ehlers’s Autocorrelation Periodogram mechanism–a mechanism designed to dynamically find a lookback period. That is, the … Continue reading →

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Some Notes on the Cauchy Distribution

February 15, 2017
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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 that every distribution has its moments of unpredictability, but the great charm of Cauchy is that it has no moments.

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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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