Dear the friends of R-Ecology: 
     I am a beginner for R language, and I think this problem might be some kind of stupid one.
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   My question is tostandardize the vectors of some dataset into the same range(such as[-1,1]), so as to plot these vectors into same X_Y axes and compare their fluctuations easily. 
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   I try to use the functions: dnorm, pnorm, qnorm, but have the wrong results. 
   I try to apropos("norm") and found no related function specific for standardizing data.
 
 
Any help is strongly appreciated,
thank you in advance,
 
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Zongshan, Li 
2010-01-01Research Center for Eco-Environmental Sciences,Chinese Academy of Sciences
Shuangqing Road, Haidian street, Beijing, 100085
Tel: 86-10-13699145748
QQ: 1141958023
email: ZongShan_Li@yahoo.com
website: http://www.rcees.ac.cn/  


      
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