906 search results for "finance"

November Package Picks

December 7, 2016
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November Package Picks

by Joseph Rickert November was a prolific month for R developers: 189 new packages landed in CRAN. I have selected more than a quarter of them for this post, but I haven’t listed everything that is worth a look. My November 2016 picks are organized into four categories: Biotech (4 picks), Data (6 picks), Machine

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Replicating CRSP Volatility Decile Portfolios in R

December 7, 2016
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Replicating CRSP Volatility Decile Portfolios in R

  Introduction In this post, I provide R code that enables the replication of the Center for Research in Security Prices (CRSP) Volatiliy Deciles using Yahoo! Finance data. This post is related to my last blog post in that it will generate the CRSP low volatility decile portfolio, thereby facilitating the replication of the associated … Continue...

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Analysis of software developers in New York, San Francisco, London and Bangalore

December 1, 2016
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Analysis of software developers in New York, San Francisco, London and Bangalore

(Note: Cross-posted with the Stack Overflow Blog.) When I tell someone Stack Overflow is based in New York City, they’re often surprised: many people assume it’s in San Francisco. (I’ve even seen job applications with “I’m in New York but willing to relocate to San Francisco” in the cover letter.) San Francisco is a safe guess of where an...

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Russell 2000 Quantitative Stock Analysis in R: Six Stocks with Amazing, Consistent Growth

November 29, 2016
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Russell 2000 Quantitative Stock Analysis in R: Six Stocks with Amazing, Consistent Growth

The Russell 2000 Small-Cap Index, ticker symbol: ^RUT, is the hottest index of 2016 with YTD gains of over 18%. The index components are interesting not only because of recent performance, but because the top performers either grow to become mid-cap stocks or are bought by large-cap companies at premium prices. This means selecting the best components...

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Learning R programming by reading books: A book list #rstats

November 26, 2016
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Learning R programming by reading books: A book list #rstats

R is an open-source software package and rapidly increases its popularity in both industry and academics. Google trend is probably the best tool to show you how popular R is since it allows us to rank the search interest among five major statistical so...

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Chi-Square Test of Independence in R

November 25, 2016
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Chi-Square Test of Independence in R

The chi-square test of independence is used to analyze the frequency table (i.e. contengency table) formed by two categorical variables. The chi-square test evaluates whether there is a significant association between the categories of the two variables. This article describes the...

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October Package Picks

November 23, 2016
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October Package Picks

by Joseph Rickert In my August Package Picks post, I explained that my selection criteria favor packages with vignettes. (I find skimming through a package’s vignettes to be an effective method of “grokking” what a package is all about.) I also questioned why a person would go to all of the trouble to develop a

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Data Manipulation with sparklyr on Azure HDInsight

November 8, 2016
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Data Manipulation with sparklyr on Azure HDInsight

by Ali Zaidi, Data Scientist at Microsoft # Apache Spark and a Tale of APIs Spark is an exceptionally popular processing engine for distributed data. Dealing with data in distributed storage and programming with concurrent systems often requires learning complicated new paradigms and techniques. Statisticans and data scientists familiar wtih R are unlikely to have much experience with such...

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je reviendrai à Montréal [MCM 2017]

November 2, 2016
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je reviendrai à Montréal [MCM 2017]

Next summer of 2017, the biennial International Conference on Monte Carlo Methods and Applications (MCM) will take place in Montréal, Québec, Canada, on July 3-7. This is a mathematically-oriented meeting that works in alternance with MCqMC and that is “devoted to the study of stochastic simulation and Monte Carlo methods in general, from the theoretical

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Is Hillary Clinton a Progressive? An Investigation Using Statistical Methods

October 25, 2016
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Is Hillary Clinton a Progressive? An Investigation Using Statistical Methods

There was once a time where only the most extreme leftists would accuse Hillary Clinton of not being a true progressive, prior to, say, 2008. Even after 2008, Hillary Clinton was seen as perhaps being a more moderate Democrat, but still, ultimately, a progressive. Republicans certainly would call Clinton a leftist and still continue to…Read more Is...

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