Monthly Archives: October 2012

‘Sandy’ Code Up On Github

October 29, 2012
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‘Sandy’ Code Up On Github

UPDATE: As indicated in the code comments, Google took down the cone KML files. I’ll be changing the code to use the NHC archived cone files later tonight I will (most likely) not be littering the blog with any more updates to the ‘Sandy’ code unless they are really significant. You can follow along at

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Volatility from daily or monthly: garch evidence

October 29, 2012
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Volatility from daily or monthly: garch evidence

Should you use daily or monthly returns to estimate volatility? Does garch explain why volatility estimated with daily data tends to be bigger than if it is estimated with monthly data? Previously There are a number of previous posts — with the variance compression tag — that discuss the phenomenon of volatility estimated with daily … Continue reading...

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How Scenic is the HS2 Route?

October 29, 2012
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How Scenic is the HS2 Route?

It is fairly clear from the duration between this and my last post that various other things have been getting in the way of updates. Anyway, I shall try and post a few updates on news and things I have been working on recently in the coming weeks before getting back to regular posting! Back

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googleVis 0.3.2 is released: Better integration with knitr

October 29, 2012
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googleVis 0.3.2 is released: Better integration with knitr

After last week's kerfuffle I hope the roll out of googleVis version 0.3.2 will be smooth. To test the water I release this version into the wild here and if it doesn't get shot down in the next days, then I shall try to upload it to CRAN. I am mindful...

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How Scenic is the HS2 Route?

October 29, 2012
By
How Scenic is the HS2 Route?

It is fairly clear from the duration between this and my last post that various other things have been getting in the way of updates. Anyway, I shall try and post a few updates on news and things I have been working on recently in the coming weeks befo...

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Visiting FHCRC, JHSPH and Meeting Xi’an

October 29, 2012
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Visiting FHCRC, JHSPH and Meeting Xi’an

I have been traveling during the last two weeks. I visited Fred Hutchinson Cancer Research Center on Oct 16 and the Department of Biostatistics at Johns Hopkins at the invitation of Simply Statistics on Oct 23. Today Christian Robert was visiting our department at Iowa State, and I also talked to him. It is really cool...

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Build Static HTML Help Pages for R Packages

October 29, 2012
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Build Static HTML Help Pages for R Packages

Many R users may still remember the good old days when we had static HTML documentation for R packages. That was probably before R 2.10.0 (in 2009). Then we had the fancy dynamic HTML help based on the built-in httpd server, but it has never really mad...

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How Scenic is the HS2 Route?

October 28, 2012
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How Scenic is the HS2 Route?

It is fairly clear from the duration between this and my last post that various other things have been getting in the way of updates. Anyway, I shall try and post a few updates on news and things I have been working on recently in the coming weeks befo...

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the large half now

October 28, 2012
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the large half now

The little half puzzle proposed a “dumb’ solution in that players play a minimax strategy. There are 34 starting values less than 100 guaranteeing a sure win to dumb players. If instead the players maximise their choice at each step, the R code looks like this: and there are now 66 (=100-34, indeed!) starting values

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Preview version of RStudio 0.97 is now available

October 28, 2012
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Rstudio has changed its website extension from rstudio.org to rstuido.com/ide and kept its new preveiw version at below link, few new things as "package development" tools are included in this version that makes job easy to develop new package.http:/...

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