Greetings, 
        I have two basic questions for phastcons.

        1. Why some positions do not have phastcons values? How to treat these 
positions? Is it ok to use zero for these positions?

        2. When I use hgwiggle -doStats to extract phastcons value locally, I 
find that the start and the end are different from what I supplied, following 
is my command and the output. I use 
-position=chr13:23654149-23654222 as the parameter for hgwiggle, but the output 
display different values. What is the reason?

li...@server $ ~/tools/hgwiggle/hgWiggle -position=chr13:23654149-23654222 
-doStats phastCons30way
#        from file, Table: phastCons30way
# Chrom Data    Data    # Data  Data    Bases   Minimum Maximum Range   Mean    
Variance Standard
#       start   end     values  span    covered                                 
        deviation
chr13   23653329        23654352        1024    1       1024    0       1       
1       0.580009        0.20296 0.450511

        Thansk in advance and look forward to the reply.

kindly regards,
Xiaoqiao Liu

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