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

randsample 2.0.9.1                                 April 2013                                      RANDSAMPLE(1)