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Without further specification, the minimum and maximum by default are 0.0 and 1.0 respectively.

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Usage

The following examples show how the step can be used in a recipe.

Examples

  • Example 1
  • Example 2
  • Signature
The following example scales input values to be in the range [0, 1].
scale(ds.input) -> (ds.scaled)

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Inputs & Outputs

The following are the inputs expected by the step and the outputs it produces. These are generally columns (ds.first_name), datasets (ds or ds[["first_name", "last_name"]]) or models (referenced by name e.g. "churn-clf").
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input
column[number]
required
A numeric input column.
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output
column[number]
required
A numeric column containing the scaled values.

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Configuration

The following parameters can be used to configure the behaviour of the step by including them in a json object as the last “input” to the step, i.e. step(..., {"param": "value", ...}) -> (output).

Parameters

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min
number
default:"0.0"
The minimum value after scaling.
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max
number
default:"1.0"
The maximum value after scaling.
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