888 search results for "finance"

Innovation Will Never Be At The Push Of A Button

May 17, 2013
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@randyzwitch @benjamingaines @usujason I am envisioning the data science equivalent of an autonomous vehicle pileup. — Todd Belcher (@toddmetrics) May 16, 2013   Recently, I’ve been getting my blood pressure up reading (marketing) articles about “big data” and “data science”.  What saddens me about the whole discussion is that there is the underlying premise that Innovation Will Never...

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Even More JGB Yield Charts with R lattice

May 15, 2013
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Even More JGB Yield Charts with R lattice

See the last post for all the details. I just could not help creating a couple more. Variations on Favorite Plot - Time Series Line of JGB Yields by Maturity p2 <- xyplot(value ~ date | indexname, data = jgb.melt, type = "l", layout = c(length(unique(jgb.melt$indexname)), ...

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Japan – JGB Yields–More Lattice Charts

May 15, 2013
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Japan – JGB Yields–More Lattice Charts

This blog is littered with posts about Japan. In one sentence, I think Japan presents opportunity and is a very interesting real-time test of much of my macro thinking. Proper visualization is absolutely essential for me to understand all of the dynami...

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Integrating Documentation and Calculation

April 30, 2013
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Integrating Documentation and Calculation Integrating Documentation and Calculation This post is a first in that I've authored it using RStudio. I would guess most people who work in computational finance or quantitative risk are at least familiar with R. Unfortunately R as...

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Revolution Newsletter: April 2013

April 26, 2013
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The most recent edition of the Revolution Newsletter is out. The news section is below, and you can read the full April edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. Now Available: Revolution R Enterprise 6.2. Released today, this update further enhances the performance,...

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The Financial Crisis on Tape Part II

April 26, 2013
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The Financial Crisis on Tape Part II

EDIT: I am aware of some browsers failing to load the github code below. I will try to improve this as soon as possible. Until then it may work better on www.joesdatadiner.com than at http://www.r-bloggers.com/. Finally all the code is availa...

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GSoC 2013: At the starting line

April 18, 2013
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GSoC 2013: At the starting line

Google Summer of Code will be open for students on Monday, April 22.  The R Project has once again been selected as a mentoring organization , and a variety of mentors have proposed a number of projects for students to work on during this summer.  Here’s a bit about the program, and more on the

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Banging on the JGBs

April 17, 2013
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Since I have not posted in quite a while, I wanted to let everyone know that I am still alive and kicking.  The resurrection of excitement (opportunity) in the markets, quarterly reporting cycle, and the overwhelming number of unbelievable R/javascript releases have kept me from writing something good enough to justify a post.   In the markets, Japan and gold...

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Classification Tree Models

Classification Tree Models

On March 26, I attended the Connecticut R Meetup in New Haven, which featured a talk by Illya Mowerman on decision trees in R.  I have gone to these Meetups before, and I have always found them to be interesting and informative.  Attendees range from those who are just starting to explore R to those who have multiple CRAN...

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R and social media

April 10, 2013
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R is a piece of software, but it is also a community. Help community The most visible aspect of the R community is help.  This is also the most useful to new users.  The initial sense of cooperation with R was driven mainly by people helping each other. You don’t need to actively participate in The post R...

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