Standardisation

Objective

Standardization is another Feature scaling method where the values are centered around the mean with a unit standard deviation. This means that the mean of the attribute becomes zero, and the resultant distribution has a unit standard deviation.

Example

time window:
  emitting type: slidingStandardNormalization
  window functions:
    normalization:
      function:
        standard norm: {}
      attributes: [ ask,bid ]
  policy:
    type: slidingTime
    slide: 500
    window size: 2500

Output attributes

After processing, attributes receive automatically applied postfix ID = STANDARD_NORM

Before processing	After processing	Type
ask	ask_STANDARD_NORM	double value
bid	bid_STANDARD_NORM	double value