Re: [R] Spearman's Rho Help!

From: Joost van Evert <>
Date: Tue 25 Oct 2005 - 18:48:07 EST

On Mon, 2005-10-24 at 09:01 -0400, Suresh Kumar Karanam wrote:
> Hi,
> I have a dataset with four categories of data, the number of samples are not
> the same in each category. I want to find the Spearaman's Rho. Let me give
> an example.
> x=(14.22770439,26.49420624,46.7277932,19.02550707,23.37379361,16.97789862,19.77100085,23.11270162,13.72929843,33.54430621,14.4756979,70.15811106,11.22789833,NA,NA,NA)
> y=(143.2420241,45.24260203,62.13218994,27.79050219,27.41029595,191.2759927,141.1430225,234.1600259,37.69120463,156.332942,19.98579421,34.77930022,69.90888888,21.92539608,NA,NA)
> z=(70.28027834,349.7838817,29.81811184,83.48042267,52.47989761,107.7110162,71.24609317,155.6580091,68.37158664,156.3179887,134.8930305,80.25242044,100.5309559,266.4470408,65.4934171,22.86950128)
> v=(150.2099947,73.52000706,83.18122348,150.3240468,352.9101222,195.8919089,263.9489287,114.2090369,153.5000165,18.62309563,117.2399949,441.8981252,285.3369951,161.3959985,NA,NA)
> I want to find the spearman's rho for this data. To my knowledge spearman's
> rho is for x vs. y or x vs. z or any combination. Is there a spearman's rho
> for the data all together (x y z v)? Please help!

The correlation function calculates by default spearman's rho and can have an array as input. The use parameter determines how to handle NA's. See ?cor

Joost mailing list PLEASE do read the posting guide! Received on Tue Oct 25 18:55:09 2005

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