/// <summary>
/// Constructs a new Options object for the given column.
/// </summary>
///
/// <param name="name">The name of the column to create this options for.</param>
/// <param name="variableType">The type of the variable in the column.</param>
/// <param name="baseline">The baseline value to be used in conjunction with
/// <see cref="CodificationVariable.CategoricalWithBaseline"/>. The baseline
/// value will be treated as absolute zero in a otherwise one-hot representation.</param>
///
///
public Options(String name, CodificationVariable variableType, T baseline)
: this(name, variableType)
{
if (variableType != CodificationVariable.CategoricalWithBaseline)
{
throw new ArgumentException("A 'baseline' can only be specified when 'variableType' is CodificationVariable.CategoricalWithBaseline.");
}
this.Mapping[baseline] = 0;
}
/// <summary>
/// Constructs a new Options object for the given column.
/// </summary>
///
/// <param name="name">The name of the column to create this options for.</param>
/// <param name="variableType">The type of the variable in the column.</param>
/// <param name="order">The order of the variables in the mapping. The first variable
/// will be assigned to position (symbol) 1, the second to position 2, and so on.</param>
///
public Options(String name, CodificationVariable variableType, params T[] order)
: this(name, variableType)
{
if (variableType != CodificationVariable.Categorical && variableType != CodificationVariable.CategoricalWithBaseline && variableType != CodificationVariable.Ordinal)
{
throw new ArgumentException("An 'order' can only be specified when 'variableType' is ordinal, categorical, or categorical with baseline.");
}
if (variableType == CodificationVariable.Discrete || variableType == CodificationVariable.Continuous)
{
throw new Exception("Invalid variable type: " + variableType);
}
for (int i = 0; i < order.Length; i++)
{
this.Mapping[order[i]] = i;
}
}
/// <summary>
/// Add a new column options definition with the given variable type to the collection.
/// </summary>
///
public void Add(CodificationVariable variableType)
{
this.Add(new Options(this.Columns.Count.ToString(), variableType));
}
/// <summary>
/// Constructs a new Options object for the given column.
/// </summary>
///
/// <param name="name">The name of the column to create this options for.</param>
/// <param name="variableType">The type of the variable in the column.</param>
///
public Options(String name, CodificationVariable variableType)
: this(name)
{
this.VariableType = variableType;
}
/// <summary>
/// Adds a new <see cref="Options">column options</see> to this filter's collection,
/// specifying how a particular column should be processed by the filter..
/// </summary>
///
/// <param name="name">The name of the variable to added.</param>
/// <param name="codificationVariable">The type of the variable to be added.</param>
///
public void Add(string name, CodificationVariable codificationVariable)
{
this.Add(new Options(name, codificationVariable));
}
