Changes between Initial Version and Version 6 of Ticket #148


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Timestamp:
02/20/16 12:43:00 (5 years ago)
Author:
zender
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  • Ticket #148

    • Property Summary changed from New cell_methods: mabs/mibs/mebs/tabs to New cell_methods: mabs/mibs/mebs
  • Ticket #148 – Description

    initial v6  
    99== 3. Requirement
    1010
    11 The statistics mabs/mibs/mebs/tabs stand for "Maximum absolute value",
    12 "Minimum absolute value", "Mean absolute value", and "Total absolute value", respectively.
    13 They are similar to max/min/mean/sum statistics, and they can be useful
     11The statistics mabs/mibs/mebs stand for "Maximum absolute value",
     12"Minimum absolute value",  and "Mean absolute value", respectively.
     13They are similar to max/min/mean statistics, and they can be useful
    1414in characterizing data when one wants positive-definite metrics.
    1515mebs (unlike mean) does not allow positive and negative values to
    1616compensate eachother. Unlike rms, mebs not does weight outliers
    17 quadratically. NCO implements mabs/mibs/mebs/tabs as
    18 fundamental statistics (like max/min/mean/sum), and annotates the
     17quadratically. NCO implements mabs/mibs/mebs as
     18fundamental statistics (like max/min/mean), and annotates the
    1919cell_methods attribute of variables reduced by these statistics with
    2020the strings "maximum_absolute_value", "minimum_absolute_value",
    21 "mean_absolute_value", and "sum_absolute_value".
     21"mean_absolute_value".
    2222
    2323== 4. Initial Statement of Technical Proposal
     
    3333minimum_absolute_value  u       Minimum absolute value
    3434mean_absolute_value     u       Mean absolute value
    35 sum_absolute_value      u       The data values are representative of a sum or accumulation of the absolute values over the cell.
    3635}}}
    3736