Posts Tagged ‘ reshape ’

Use of Classification Trees to Investigate Traits of Invasive Species

September 20, 2011
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Use of Classification Trees to Investigate Traits of Invasive Species

Which traits make an alien species invasive?Due to what traits an alien species becomes established in a foreign flora?This kind of questions could be analysed by the use of recursive partitioning and classification trees..(the below example also inclu...

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Your Data is Never the Right Shape

July 31, 2011
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Your Data is Never the Right Shape

One of the recurring frustrations in data analytics is that your data is never in the right shape. Worst case: you are not aware of this and every step you attempt is more expensive, less reliable and less informative than you would want. Best case: you notice this and have the tools to reshape your Related posts:

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R Reshape Examples

February 19, 2011
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by Earl F. Glynn, Kansas Watchdog The goal of this article is to describe how to “reshape” data from screen scraping to make analysis with existing tools easier. Background The Kansas Secretary of State published Nov. 2010 election results ...

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Example 7.10: Get data from R into SAS

August 13, 2009
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Example 7.10: Get data from R into SAS

In our previous entry, we described how to generate a dataset from SAS that could be used for analyses in R. Alternatively, someone primarily using R might want to test the new ”statistical graphics” procedures available starting with SAS 9.2. Her...

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