NAME

       randsample - Random sample certain number/percentage of tags

SYNOPSIS

       randsample <-t file> [-p percent|-n number] [-o outputfile] [options]

DESCRIPTION

       randsample  --  Random sample certain number/percentage of tags. Method: 1.  Calculate the
       percentage of tags needed to be kept;  2.  For  each  chromosome,  random  sample  certain
       percentage of tags.

OPTIONS

       --version
              show program's version number and exit

       -h, --help
              show this help message and exit.

       -t TFILE
              Sequencing alignment file. REQUIRED.

       -p PERCENTAGE, --percentage=PERCENTAGE
              Percentage  of tags you want to keep. Input 80.0 for 80%. This option can't be used
              at the same time with -n/--num. REQUIRED

       -n NUMBER, --number=NUMBER
              Number of tags you want to keep. Input 8000000 or 8e+6 for 8 million.  This  option
              can't  be  used at the same time with -p/--percent. Note that the number of tags in
              output is approximate as the number specified here.  REQUIRED

       -o OUTPUTFILE
              Output BED file name. If not specified, will write  to  standard  output.  DEFAULT:
              stdout

       -s TSIZE, --tsize=TSIZE
              Tag size. This will overide the auto detected tag size. DEFAULT: Not set

       -f FORMAT, --format=FORMAT
              Format  of  tag  file, "AUTO", "BED" or "ELAND" or "ELANDMULTI" or "ELANDEXPORT" or
              "SAM" or "BAM" or "BOWTIE". The default AUTO option will  let  %prog  decide  which
              format  the  file  is.  Please  check the definition in 00README file if you choose
              ELAND/ELANDMULTI/ELANDEXPORT/SAM/BAM/BOWTIE. DEFAULT: "AUTO"

       --verbose=VERBOSE
              Set verbose level. 0: only  show  critical  message,  1:  show  additional  warning
              message,  2:  show process information, 3: show debug messages. If you want to know
              where are the duplicate reads, use 3. DEFAULT:2