[R] Read a dataset with different lengths

[Uwe Ligges]

Xiyan Lon wrote:
> Dear useR again,
> How can I read a dataset if lines in dataset did not have same
> elements (have different lengths), For example:
> 
> 1    2,  4, 16,  1,  1,  3,  1,  1, 15,  5,  1,  1, 14,  1,  1
> 2    2, 13,  5,  1,  1,  3,  1,  1, 15,  5,  1,  1, 14,  1,  1
> 3    4,  5, 11,  1,  1,  6,  1,  1,  5, 14,  1,  1, 15,  1,  1
> 4    2,  5,  9,  1,  1, 14,  1,  1,  8, 16,  1,  1, 13,  1,  1
> 5    3,  7, 14,  1,  1, 14,  1,  1,  5, 21,  1,  1,  8,  1,  1
> 6            6,  3,  1, 12,  1,  1,  5,  8,  1,  1, 15,  1,  1
> 7            6,  3,  1, 11,  1,  1, 10,  7,  1,  1, 21,  1,  1
> 8           21, 20,  9,  1,  1,  6,  1,  1, 13, 10,  1,  1,  1
> 9    5,  7, 21,  1,  1, 13,  1,  1, 14,  2,  1,  1,  6,  1,  1
> 10   8, 14, 10,  1,  1,  5,  1,  1, 10,  5,  1,  1,  5,  1,  1
> 11   5, 20, 17,  1,  1, 19,  1,  1, 14,  7,  1,  1,  6,  1,  1
> 12   7,  4, 11,  1,  1,  2,  1,  1,  5, 13,  1,  1, 14,  1,  1
> 13   7, 14, 13,  1,  1,  6,  1,  1, 13, 16,  1,  1, 17,  1,  1
> 14   7, 14,  5,  1,  1,  5,  1,  1,  5, 17,  1,  1, 17,  1,  1
> 15           3,  9, 12,  1,  1, 18,  1,  1,  6,  1,  4,  1,  1
> 16   7, 10,  5,  1,  1, 12,  1,  1,  5, 17,  1,  1, 13,  1,  1
> 17  12,  8, 16,  1,  1,  5,  1,  1,  8, 10,  1,  1, 14,  1,  1
> 18   5, 11,  7,  1,  1,  5,  1,  1, 18, 13,  1,  1, 17,  1,  1
> 19   7, 13,  8,  1,  1, 14,  1,  1,  5, 17,  1,  1, 13,  1,  1
> 20   7, 18, 21,  1,  1, 16,  1,  1,  5, 17,  1,  1, 13,  1,  1
>


For data structured as above, read.fwf() should work.


> I know that in BioC package rmutil have a function (read.list) to
> handle different lengths sets of lines but it did not work.
> 
>>library(rmutil)
> 
> Error in library(rmutil) : 'rmutil' is not a valid package -- installed < 2.0.0?

You have to install a version that has been compiled for R-2.0.x

Uwe Ligges



> 
> Are there any others function to handle this.
> 
> Best regards
> Xiyan Lon
> 
> 
>>version
> 
>          _              
> platform i386-pc-mingw32
> arch     i386           
> os       mingw32        
> system   i386, mingw32  
> status                  
> major    2              
> minor    0.1            
> year     2004           
> month    11             
> day      15             
> language R              
> 
> 
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