bp_usage/mean_vals

   1 Author:         Martin Asser Hansen - Copyright (C) - All rights reserved
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   3 Contact:        mail@maasha.dk
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   5 Date:           August 2007
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   7 License:        GNU General Public License version 2 (http://www.gnu.org/copyleft/gpl.html)
   8
   9 Description:    Calculate the mean of values of given keys.
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  11 Usage:          ... | $script [options]
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  13 Options:   [-x          | --no_stream]          -  Do not emit records.
  14 Options:   [-o <file>   | --data_out=<file>]    -  Write result to file.
  15 Options:   [-k <string> | --keys=<string>]      -  Comma separated list of keys.
  16 Options:   [-I <file>   | --stream_in=<file>]   -  Read input from stream file  -  Default=STDIN
  17 Options:   [-O <file>   | --stream_out=<file>]  -  Write output to stream file  -  Default=STDOUT
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  19 Examples:   ... | $script -x -k SEQ_LEN,HIT_LEN -o result.txt  -  Calculate mean values and save to 'result.txt'.
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  21 Keys out: <key>_MEAN  -  Mean value of <key>.
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