/// <summary>
/// Helper function for plotting.
/// </summary>
private void Plot(string indexColumnName, IDataFrame dataFrame)
{
var indexValues = dataFrame.GetColumn(indexColumnName).AsDate().ToValues();
var remainingColumns = dataFrame.DropColumn("index").GetColumns();
var allSeriesData = remainingColumns
.Select(column =>
{
var label = column.GetName();
var entries = LinqExts.Zip(
indexValues,
column.AsFloat().ToValues(),
(index, value) => new { index, value }
)
.ToArray();
return new { label, entries };
})
.ToArray();
foreach (var seriesData in allSeriesData)
{
var series = new Series(seriesData.label);
foreach (var entry in seriesData.entries)
{
series.Points.AddXY(entry.index, entry.value);
}
chart1.Series.Add(series);
}
}
