[Genome] Missing values presentation in BED15 (array) format

[Brooke Rhead]

Hello Ravid,

The Genome Browser will display missing microarray datapoints in gray if 
you give them an expScore of -10000.

If you have further questions, please feel free to write back to this 
mailing list.

--
Brooke Rhead
UCSC Genome Bioinformatics Group



ravid straussman wrote:
> Dear Sir,
>    
>   I would like to create a custom track with results from a microarray.
>    
>   The log ratios from the array were transformed by a formula to -1,0 or +1. (-1 = not enriched, +1 = enriched, 0 = Not a clear cut case)
>    
>   I created a BED15 file with all data but realized that missing data got the same black color in the genome browser as data with the value of 0.
>    
>   Any idea how can I separate between the two?
>    
>   Thanks a lot,
>    
>   Ravid.
>    
>    
>    
>    
>
>        
> ---------------------------------
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