[R] how do i retain decimal values

Patrick Connolly p_connolly at slingshot.co.nz
Sun Aug 2 09:38:13 CEST 2009


Ddoes options()$digits tell you anything useful?

HTH

On Sat, 01-Aug-2009 at 02:39PM -0400, Manisha Brahmachary wrote:

|> Hello,
|> 
|>  
|> 
|> I am trying to do a spearman correlation. My data has tied values. To
|> overcome this issue, I am adding some random noise (values) to my original
|> data. However when I add the random noise to the data, the final matrix does
|> not show the new values. I guess the reason being that the noise I add is
|> very small and the full value including the decimals gets truncated to show
|> only the value upto two decimal points. Is there a way to keep the full value
|> as it is without truncation. Thanks for your suggestions in advance.
|> 
|>  
|> 
|> My script:
|> 
|>  
|> 
|> rand.val: stores the random numbers
|> 
|> data: stores the actual values 
|> 
|>  
|> 
|> rand.val<-data.frame(a=runif(11,0.000000001,0.00000001),b=runif(11,0.00000000
|> 1,0.00000001),
|> c=runif(11,0.000000001,0.00000001),d=runif(11,0.000000001,0.00000001),e=runif
|> (11,0.000000001,0.00000001),f=runif(11,0.000000001,0.00000001),g=runif(11,0.0
|> 00000001,0.00000001),h=runif(11,0.000000001,0.00000001))  
|> 
|> rand.val<- as.matrix(rand.val)
|> 
|>  
|> 
|> >data
|> 
|>       X1015 X1238 X1433 X1520 X1847 X1870 X1928 X2422
|> 
|> 1-Mar     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 2-Mar     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 5-Mar     2     2     2  2.00  4.28  2.00     2  2.00
|> 
|> 6-Mar     2     2     2  2.00  2.00  2.00     2  2.72
|> 
|> 8-Mar     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 9-Mar     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 1-Sep     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 2-Sep     2     2     2  2.00  2.00  1.39     2  2.00
|> 
|> 6-Sep     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 8-Sep     2     2     2  1.05  2.00  2.00     2  2.00
|> 
|> 9-Sep     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|>  
|> 
|> >rand.val
|> 
|>                  a            b            c            d            e
|> f            g            h
|> 
|>  [1,] 6.066415e-09 7.243185e-09 2.579000e-09 6.140522e-09 6.630778e-09
|> 7.035269e-09 4.122901e-09 1.449599e-09
|> 
|>  [2,] 3.623560e-09 9.038553e-09 2.269913e-09 7.762269e-09 5.540944e-09
|> 1.478679e-09 6.159272e-09 7.082123e-09
|> 
|>  [3,] 2.085766e-09 3.737900e-09 2.457034e-09 4.939643e-09 3.868569e-09
|> 5.015730e-09 3.320189e-09 3.858882e-09
|> 
|>  [4,] 5.037955e-09 8.234747e-09 5.407211e-09 4.136906e-09 9.078506e-09
|> 8.743044e-09 8.026434e-09 7.089469e-09
|> 
|>  [5,] 6.254242e-09 7.805144e-09 5.264731e-09 3.993522e-09 4.668103e-09
|> 9.429713e-09 2.144503e-09 4.739684e-09
|> 
|>  [6,] 2.051520e-09 3.173583e-09 7.463606e-09 2.799975e-09 6.192137e-09
|> 4.345219e-09 1.301613e-09 2.913670e-09
|> 
|>  [7,] 7.278996e-09 4.329527e-09 2.407270e-09 8.421633e-09 4.196166e-09
|> 9.890987e-09 3.783615e-09 4.093923e-09
|> 
|>  [8,] 9.046755e-09 5.665165e-09 7.740206e-09 3.482159e-09 6.048917e-09
|> 3.170118e-09 6.764364e-09 5.860817e-09
|> 
|>  [9,] 7.766820e-09 5.901440e-09 2.198517e-09 7.349194e-09 6.563453e-09
|> 9.981425e-09 7.768106e-09 4.213753e-09
|> 
|> [10,] 4.493040e-09 5.796008e-09 1.623817e-09 8.136924e-09 1.029656e-09
|> 3.725094e-09 8.767293e-09 7.532047e-09
|> 
|> [11,] 5.974140e-09 4.173989e-09 8.704932e-09 1.929161e-09 5.718819e-09
|> 4.995755e-09 4.723989e-09 9.198158e-09
|> 
|>  
|> 
|> >data+rand.val
|> 
|>  
|> 
|> X1015 X1238 X1433 X1520 X1847 X1870 X1928 X2422
|> 
|> 1-Mar     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 2-Mar     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 5-Mar     2     2     2  2.00  4.28  2.00     2  2.00
|> 
|> 6-Mar     2     2     2  2.00  2.00  2.00     2  2.72
|> 
|> 8-Mar     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 9-Mar     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 1-Sep     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 2-Sep     2     2     2  2.00  2.00  1.39     2  2.00
|> 
|> 6-Sep     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|> 8-Sep     2     2     2  1.05  2.00  2.00     2  2.00
|> 
|> 9-Sep     2     2     2  2.00  2.00  2.00     2  2.00
|> 
|>  
|> 
|> Manisha
|> 
|>  
|> 
|>  
|> 
|>  
|> 
|> 
|> 	[[alternative HTML version deleted]]
|> 
|> ______________________________________________
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|> https://stat.ethz.ch/mailman/listinfo/r-help
|> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
|> and provide commented, minimal, self-contained, reproducible code.

-- 
~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.   
   ___    Patrick Connolly   
 {~._.~}                   Great minds discuss ideas    
 _( Y )_  	         Average minds discuss events 
(:_~*~_:)                  Small minds discuss people  
 (_)-(_)  	                      ..... Eleanor Roosevelt
	  
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