/// <summary>
/// Returns whether a column has the <see cref="Kinds.IsNormalized"/> metadata set to true.
/// That metadata should be set when the data has undergone transforms that would render it
/// "normalized."
/// </summary>
/// <param name="schema">The schema to query</param>
/// <param name="col">Which column in the schema to query</param>
/// <returns>True if and only if the column has the <see cref="Kinds.IsNormalized"/> metadata
/// set to the scalar value true</returns>
public static bool IsNormalized(this Schema schema, int col)
{
Contracts.CheckValue(schema, nameof(schema));
var value = default(bool);
return(schema.TryGetMetadata(BoolType.Instance, Kinds.IsNormalized, col, ref value) && value);
}
/// <summary>
/// Whether a column should be added, assuming it's not hidden
/// (i.e.: this doesn't check for hidden
/// </summary>
private bool ShouldAddColumn(Schema schema, int i, uint scoreSet, bool outputNamesAndLabels)
{
uint scoreSetId = 0;
if (schema.TryGetMetadata(MetadataUtils.ScoreColumnSetIdType, MetadataUtils.Kinds.ScoreColumnSetId, i, ref scoreSetId) &&
scoreSetId == scoreSet)
{
return(true);
}
if (outputNamesAndLabels)
{
switch (schema.GetColumnName(i))
{
case "Label":
case "Name":
case "Names":
return(true);
default:
break;
}
}
if (Args.OutputColumn != null && Array.FindIndex(Args.OutputColumn, schema.GetColumnName(i).Equals) >= 0)
{
return(true);
}
return(false);
}