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## org.encog.util.arrayutil
Class NormalizedField

    java.lang.Object
      org.encog.util.arrayutil.NormalizedField

    public class NormalizedField

extends Object

This object holds the normalization stats for a column. This includes the actual and desired high-low range for this column.

Constructor Summary
`NormalizedField()` Construct the object with a range of 1 and -1.
`NormalizedField(double theNormalizedHigh, double theNormalizedLow)` Construct the object.
`NormalizedField(NormalizationAction theAction, String theName)` Construct an object.
`NormalizedField(NormalizationAction theAction, String theName, double ahigh, double alow, double nhigh, double nlow)` Construct the field, with no defaults.
`NormalizedField(String theName, NormalizationAction theAction, double high, double low)` Construct the object.

Method Summary
`void` | `analyze(double d)` Analyze the specified value.
`double` | `deNormalize(double value)` Denormalize the specified value.
`ClassItem` | `determineClass(double[] data)` Determine what class the specified data belongs to.
`String` | `encodeHeaders()` Encode the headers used by this field.
`String` | `encodeSingleField(int classNumber)` Encode a single field.
`void` | `fixSingleValue()` Fix normalized fields that have a single value for the min/max.
`NormalizationAction` | `getAction()`
`double` | `getActualHigh()`
`double` | `getActualLow()`
`List<ClassItem>` | `getClasses()`
`int` | `getColumnsNeeded()`
`Equilateral` | `getEq()`
`String` | `getName()`
`double` | `getNormalizedHigh()`
`double` | `getNormalizedLow()`
`void` | `init()` Init any internal structures.
`boolean` | `isClassify()`
`int` | `lookup(String str)` Lookup the specified field.
`void` | `makeClass(NormalizationAction theAction, int classFrom, int classTo, int high, int low)` Make a field to hold a class.
`void` | `makeClass(NormalizationAction theAction, String[] cls, double high, double low)` Create a field that will be used to hold a class.
`void` | `makePassThrough()` Make this a pass-through field.
`double` | `normalize(double value)` Normalize the specified value.
`void` | `setAction(NormalizationAction theAction)` Set the action for the field.
`void` | `setActualHigh(double theActualHigh)` Set the actual high for the field.
`void` | `setActualLow(double theActualLow)` Set the actual low for the field.
`void` | `setName(String theName)` Set the name of the field.
`void` | `setNormalizedHigh(double theNormalizedHigh)` Set the normalized high for the field.
`void` | `setNormalizedLow(double theNormalizedLow)` Set the normalized low for the field.
`String` | `toString()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### NormalizedField

    public NormalizedField()

  Construct the object with a range of 1 and -1.

### NormalizedField

    public NormalizedField(double theNormalizedHigh,
                           double theNormalizedLow)

  Construct the object.

  Parameters:
    `theNormalizedHigh` - The normalized high.
    `theNormalizedLow` - The normalized low.

### NormalizedField

    public NormalizedField(NormalizationAction theAction,
                           String theName)

  Construct an object.

  Parameters:
    `theAction` - The desired action.
    `theName` - The name of this column.

### NormalizedField

    public NormalizedField(NormalizationAction theAction,
                           String theName,
                           double ahigh,
                           double alow,
                           double nhigh,
                           double nlow)

  Construct the field, with no defaults.

  Parameters:
    `theAction` - The normalization action to take.
    `theName` - The name of this field.
    `ahigh` - The actual high.
    `alow` - The actual low.
    `nhigh` - The normalized high.
    `nlow` - The normalized low.

### NormalizedField

    public NormalizedField(String theName,
                           NormalizationAction theAction,
                           double high,
                           double low)

  Construct the object.

  Parameters:
    `theName` - The name of the field.
    `theAction` - The action of the field.
    `high` - The high end of the range for the field.
    `low` - The low end of the range for the field.

Method Detail

### analyze

    public final void analyze(double d)

  Analyze the specified value. Adjust min/max as needed. Usually used only internally.

  Parameters:
    `d` - The value to analyze.

### deNormalize

    public final double deNormalize(double value)

  Denormalize the specified value.

  Parameters:
    `value` - The value to normalize.
  Returns:
    The normalized value.

### determineClass

    public final ClassItem determineClass(double[] data)

  Determine what class the specified data belongs to.

  Parameters:
    `data` - The data to analyze.
  Returns:
    The class the data belongs to.

### encodeHeaders

    public final String encodeHeaders()

  Encode the headers used by this field.

  Returns:
    A string containing a comma separated list with the headers.

### encodeSingleField

    public final String encodeSingleField(int classNumber)

  Encode a single field.

  Parameters:
    `classNumber` - The class number to encode.
  Returns:
    The encoded columns.

### fixSingleValue

    public final void fixSingleValue()

  Fix normalized fields that have a single value for the min/max. Separate them by 2 units.

### getAction

    public final NormalizationAction getAction()

  Returns:
    The action for the field.

### getActualHigh

    public final double getActualHigh()

  Returns:
    The actual high for the field.

### getActualLow

    public final double getActualLow()

  Returns:
    The actual low for the field.

### getClasses

    public final List<ClassItem> getClasses()

  Returns:
    A list of any classes in this field.

### getColumnsNeeded

    public final int getColumnsNeeded()

  Returns:
    Returns the number of columns needed for this classification. The number of columns needed will vary, depending on the classification method used.

### getEq

    public final Equilateral getEq()

  Returns:
    The equilateral object used by this class, null if none.

### getName

    public final String getName()

  Returns:
    The name of the field.

### getNormalizedHigh

    public final double getNormalizedHigh()

  Returns:
    The normalized high for the field.

### getNormalizedLow

    public final double getNormalizedLow()

  Returns:
    The normalized low for the neural network.

### init

    public final void init()

  Init any internal structures.

### isClassify

    public final boolean isClassify()

  Returns:
    Is this field a classify field.

### lookup

    public final int lookup(String str)

  Lookup the specified field.

  Parameters:
    `str` - The name of the field to lookup.
  Returns:
    The index of the field, or -1 if not found.

### makeClass

    public final void makeClass(NormalizationAction theAction,
                                int classFrom,
                                int classTo,
                                int high,
                                int low)

  Make a field to hold a class. Use a numeric range for class items.

  Parameters:
    `theAction` - The action to take.
    `classFrom` - The beginning class item.
    `classTo` - The ending class item.
    `high` - The output high value.
    `low` - The output low value.

### makeClass

    public final void makeClass(NormalizationAction theAction,
                                String[] cls,
                                double high,
                                double low)

  Create a field that will be used to hold a class.

  Parameters:
    `theAction` - The action for this field.
    `cls` - The class items.
    `high` - The output high value.
    `low` - The output low value.

### makePassThrough

    public final void makePassThrough()

  Make this a pass-through field.

### normalize

    public final double normalize(double value)

  Normalize the specified value.

  Parameters:
    `value` - The value to normalize.
  Returns:
    The normalized value.

### setAction

    public final void setAction(NormalizationAction theAction)

  Set the action for the field.

  Parameters:
    `theAction` - The action for the field.

### setActualHigh

    public final void setActualHigh(double theActualHigh)

  Set the actual high for the field.

  Parameters:
    `theActualHigh` - The actual high for the field.

### setActualLow

    public final void setActualLow(double theActualLow)

  Set the actual low for the field.

  Parameters:
    `theActualLow` - The theActual low for the field.

### setName

    public final void setName(String theName)

  Set the name of the field.

  Parameters:
    `theName` - The name of the field.

### setNormalizedHigh

    public final void setNormalizedHigh(double theNormalizedHigh)

  Set the normalized high for the field.

  Parameters:
    `theNormalizedHigh` - The normalized high for the field.

### setNormalizedLow

    public final void setNormalizedLow(double theNormalizedLow)

  Set the normalized low for the field.

  Parameters:
    `theNormalizedLow` - The normalized low for the field.

### toString

    public final String toString()

  Overrides:
    `toString` in class `Object`

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