content: /*******************************************************************************
   * Copyright (c) 2010 Haifeng Li
   *   
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *  
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *******************************************************************************/
  package smile.data;
  
  import java.text.ParseException;
  
  /**
   * Numeric attribute. Numeric attributes can be real or integer numbers.
   *
   * @author Haifeng Li
   */
  public class NumericAttribute extends Attribute {
  
      /**
       * Constructor.
       */
      public NumericAttribute(String name) {
          super(Type.NUMERIC, name);
      }
  
      /**
       * Constructor.
       */
      public NumericAttribute(String name, double weight) {
          super(Type.NUMERIC, name, weight);
      }
  
      /**
       * Constructor.
       */
      public NumericAttribute(String name, String description) {
          super(Type.NUMERIC, name, description);
      }
  
      /**
       * Constructor.
       */
      public NumericAttribute(String name, String description, double weight) {
          super(Type.NUMERIC, name, description, weight);
      }
  
      @Override
      public String toString(double x) {
          return Double.toString(x);
      }
  
      @Override
      public double valueOf(String s) throws ParseException {
          return Double.valueOf(s);
      }
  }
  