normalisation

normalisation
    n 1: the imposition of standards or regulations; "a committee
         was appointed to recommend terminological standardization"
         [syn: {standardization}, {standardisation},
         {normalization}, {normalisation}]
    

normalisation
normalised
unnormalised

   1. <data processing> A transformation applied uniformly to
   each element in a set of data so that the set has some
   specific statistical property.  For example, monthly
   measurements of the rainfall in London might be normalised by
   dividing each one by the total for the year to give a profile
   of rainfall throughout the year.

   2. <programming> Representation of a {floating-point} number
   so that its {mantissa}'s left-most digit is non-zero.  If the
   leftmost fraction digit are zeros, the number is said to be
   unnormalised.  Unnormalised numbers are normalised by shifting
   the fraction left, one digit at a time, until the leftmost
   digit is nonzero and reducing the {exponent} by the number of
   shifts.

   3. <database> {database normalisation}.

   (1998-04-15)