public static DataMap FromJagged <T>(T[][] source, string[] columnNames = null, bool transpose = false, IEqualityComparer <string> keyComparaer = null)
{
var result = new DataMap(keyComparaer);
if (!transpose)
{
if (columnNames == null)
{
var c = source[0].Length;
columnNames = new string[c];
for (var i = 0; i < c; ++i)
{
columnNames[i] = "Column" + i;
}
}
for (var i = 0; i < columnNames.Length; ++i)
{
var data = new List <T>(source.Length);
result.Add(columnNames[i], data);
for (var j = 0; j < source.Length; ++j)
{
var row = source[j];
if (i < row.Length)
{
data.Add(row[i]);
}
else
{
data.Add(TypeTrait <T> .GetNaN());
}
}
}
}
else
{
if (columnNames == null)
{
var c = source.Length;
columnNames = new string[c];
for (var i = 0; i < c; ++i)
{
columnNames[i] = "Column" + i;
}
}
for (var i = 0; i < columnNames.Length; ++i)
{
result.Add(columnNames[i], source[i]);
}
}
return(result);
}
public static DataMap From2DArray <T>(T[,] source, string[] columnNames = null, IEqualityComparer <string> keyComparaer = null)
{
if (columnNames == null)
{
var c = source.GetLength(1);
columnNames = new string[c];
for (var i = 0; i < c; ++i)
{
columnNames[i] = "Column" + i;
}
}
var result = new DataMap(keyComparaer);
for (var i = 0; i < source.GetLength(1); ++i)
{
var data = new List <T>(source.Length);
result.Add(columnNames[i], data);
for (var j = 0; j < source.GetLength(0); ++j)
{
data.Add(source[j, i]);
}
}
return(result);
}
