public void InsertColumn <T>(int columnIndex, IEnumerable <T> column, string columnName)
where T : struct
{
column = column ?? throw new ArgumentNullException(nameof(column));
if ((uint)columnIndex > _columns.Count)
{
throw new ArgumentException($"Invalid columnIndex {columnIndex} passed into Table.AddColumn");
}
BaseDataFrameColumn newColumn = new PrimitiveDataFrameColumn <T>(columnName, column);
InsertColumn(columnIndex, newColumn);
}
public DataFrame Subtract <T>(T value)
where T : struct
{
var newDataFrame = new DataFrame();
for (int i = 0; i < ColumnCount; i++)
{
PrimitiveDataFrameColumn <T> column = _table.Column(i) as PrimitiveDataFrameColumn <T>;
if (column != null)
{
var newColumn = column.Clone();
newColumn._columnContainer.Subtract(value);
newDataFrame.InsertColumn(i, newColumn);
}
}
return(newDataFrame);
}
public DataFrame LessThan <T>(T value)
where T : struct
{
var newDataFrame = new DataFrame();
for (int i = 0; i < ColumnCount; i++)
{
PrimitiveDataFrameColumn <T> column = _table.Column(i) as PrimitiveDataFrameColumn <T>;
if (column != null)
{
PrimitiveDataFrameColumn <bool> newColumn = column.CreateBoolColumnForCompareOps();
column._columnContainer.LessThan(value, newColumn._columnContainer);
newDataFrame.InsertColumn(i, newColumn);
}
}
return(newDataFrame);
}
public DataFrame Multiply <T>(IReadOnlyList <T> values)
where T : struct
{
if (values.Count != ColumnCount)
{
throw new ArgumentException($"values.Count {values.Count} must match the number of columns in the table", nameof(values));
}
var newDataFrame = new DataFrame();
for (int i = 0; i < ColumnCount; i++)
{
PrimitiveDataFrameColumn <T> column = _table.Column(i) as PrimitiveDataFrameColumn <T>;
if (column != null)
{
var newColumn = column.Clone();
newColumn._columnContainer.Multiply(values[i]);
newDataFrame.InsertColumn(i, newColumn);
}
}
return(newDataFrame);
}
public DataFrame LessThan <T>(IReadOnlyList <T> values)
where T : struct
{
if (values.Count != ColumnCount)
{
throw new ArgumentException($"values.Count {values.Count} must match the number of columns in the table", nameof(values));
}
var newDataFrame = new DataFrame();
for (int i = 0; i < ColumnCount; i++)
{
PrimitiveDataFrameColumn <T> column = _table.Column(i) as PrimitiveDataFrameColumn <T>;
if (column != null)
{
PrimitiveDataFrameColumn <bool> newColumn = column.CreateBoolColumnForCompareOps();
column._columnContainer.LessThan(values[i], newColumn._columnContainer);
newDataFrame.InsertColumn(i, newColumn);
}
}
return(newDataFrame);
}
