934 search results for "FINANCE"

Sentiment Analysis in R

February 21, 2017
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Current research in finance and the social sciences utilizes sentiment analysis to understand human decisions in response to textual materials. While sentiment analysis has received great traction lately, the available tools are not yet living up to the needs of researchers. Especially R has not yet capabilities that most research desires. Our package “SentimentAnalysis” performs … Continue...

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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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