public DataSet copy()
{
DataSet ds = new DataSet(specification);
foreach (Example e in examples)
{
ds.add(e);
}
return(ds);
}
public DataSet removeExample(Example e)
{
DataSet ds = new DataSet(specification);
foreach (Example eg in examples)
{
if (!(e.Equals(eg)))
{
ds.add(eg);
}
}
return ds;
}
public DataSet removeExample(Example e)
{
DataSet ds = new DataSet(specification);
foreach (Example eg in examples)
{
if (!(e.Equals(eg)))
{
ds.add(eg);
}
}
return(ds);
}
public DataSet matchingDataSet(String attributeName, String attributeValue)
{
DataSet ds = new DataSet(specification);
foreach (Example e in examples)
{
if (e.getAttributeValueAsString(attributeName).Equals(
attributeValue))
{
ds.add(e);
}
}
return(ds);
}
public DataSet fromFile(String filename, DataSetSpecification spec,
Char separator) {
// assumed file in data directory and ends in .csv
DataSet ds = new DataSet(spec);
using (StreamReader reader = new StreamReader(typeof(DataSetFactory).Assembly.GetManifestResourceStream("AIMA.Resource." + filename)))
{
String line;
while ((line = reader.ReadLine()) != null)
{
ds.add(exampleFromString(line, spec, separator));
}
}
return ds;
}
public DataSet fromFile(String filename, DataSetSpecification spec,
Char separator)
{
// assumed file in data directory and ends in .csv
DataSet ds = new DataSet(spec);
using (StreamReader reader = new StreamReader(typeof(DataSetFactory).Assembly.GetManifestResourceStream("AIMA.Resource." + filename)))
{
String line;
while ((line = reader.ReadLine()) != null)
{
ds.add(exampleFromString(line, spec, separator));
}
}
return(ds);
}
public Dictionary <String, DataSet> splitByAttribute(String attributeName)
{
Dictionary <String, DataSet> results = new Dictionary <String, DataSet>();
foreach (Example e in examples)
{
String val = e.getAttributeValueAsString(attributeName);
if (results.ContainsKey(val))
{
results[val].add(e);
}
else
{
DataSet ds = new DataSet(specification);
ds.add(e);
results.Add(val, ds);
}
}
return(results);
}
public Dictionary<String, DataSet> splitByAttribute(String attributeName)
{
Dictionary<String, DataSet> results = new Dictionary<String, DataSet>();
foreach (Example e in examples)
{
String val = e.getAttributeValueAsString(attributeName);
if (results.ContainsKey(val))
{
results[val].add(e);
}
else
{
DataSet ds = new DataSet(specification);
ds.add(e);
results.Add(val, ds);
}
}
return results;
}
public DataSet matchingDataSet(String attributeName, String attributeValue)
{
DataSet ds = new DataSet(specification);
foreach (Example e in examples)
{
if (e.getAttributeValueAsString(attributeName).Equals(
attributeValue))
{
ds.add(e);
}
}
return ds;
}
public DataSet copy()
{
DataSet ds = new DataSet(specification);
foreach (Example e in examples)
{
ds.add(e);
}
return ds;
}
