1302 search results for "Excel"

OpenScoring: Open Source Scoring of PMML Models via REST

November 27, 2012
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OpenScoring: Open Source Scoring of PMML Models via REST

The other day I stumbled accross an amazing PMML model API called jpmml.  It's written in Java and supports PMML 4.1 (and older).  Neural networks, random forests, regression and trees PMML models can be consumed and used for scoring.I decide...

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"Dominant" Color Palettes with k-means

November 27, 2012
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"Dominant" Color Palettes with k-means

The idea of deriving color palettes from images has long been an interest of mine. There are places you can do this online, but it’s at least plausible that you might want to identify dominant colors programatically, for a large number of image...

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ESSA2013 Conference

November 24, 2012
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ESSA2013 Conference

It has been just announced that during ESSA2013 conference I am planning to organize a special track on "Statistical analysis of simulation models". I hope to get some presentations using GNU R to promote it in social simulation community.It is obvious that GNU R excels in analysis of simulation data. However, very often it can be neatly...

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Opting for shorter movies, be aware u might be cutting the entertainment too!

November 23, 2012
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Opting for shorter movies, be aware u might be cutting the entertainment too!

Hello Friends,This time I thought to bring in little more spice and thought of focusing on movies.  I don’t know about you but I am a movie buff. Often on a weekend when I am trying to pick up a movie from my movie repository, which spans to some TBs now, I feel little lost.  Apart from a general...

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We NEED more data

November 22, 2012
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We NEED more data

Email One of the historic difficulties of doing research on urban energy systems has been the limited availability of data at sufficiently detailed spatial resolutions. Without this data, you might end up relying on aggregate information about the built environment, building occupants, and local geography that doesn't apply to the specifics of a particular neighbourhood

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Extending Commodity time series

November 21, 2012
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Extending Commodity time series

I want to follow up with Extending Gold time series post by showing how we can extend Commodity time series. Most Commodity ETFs began trading in 2006, please see the List of Commodity ETFs page. I will use DBC – PowerShares DB Commodity Fund, one on the most liquid Commodity ETFs as my proxy for

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Creating an R package in Windows

November 21, 2012
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Creating an R package in Windows

A nice package can be both beautiful and functional. The image is CC by MIAD Communication Design. Inspired by Read more »

A quick function for editing CSV files in R

November 19, 2012
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I’ve been hunting for a lightweight CSV editor for OSX so I could to make fixes to data files and not need to fire up Excel. While you can edit a CSV file in any text editor, it’s a pain to navigate the files without a spreadsheet-like interface. Unfortunately there doesn’t seem to be a good,...

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R and SQLite: Part 1

November 18, 2012
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Creating SQLite databases from R

Hjust and Vjust

November 16, 2012
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Hjust and Vjust

So, when you’re setting the position of text in ggplot, you may have to use the hjust and vjust commands. Depending on your demands, and if you don’t understand what they’re doing, they might seem hard to use. I found one script that...

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