FittingModelCollectionAddCurve Method (DataTable, String)

 Spotfire 14.3 API Reference
Adds a curve. The curve is defined by the specified expression, for example "a + b*x", where a and b are columns in the specified data table.

Namespace:  Spotfire.Dxp.Application.Visuals.FittingModels
Assembly:  Spotfire.Dxp.Application (in Spotfire.Dxp.Application.dll) Version: 65.0.19510.3242 (65.0.19510.3242)
Syntax
C#
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public ReferenceCurveFittingModel AddCurve(
	DataTable dataTable,
	string expression
)

Parameters

dataTable
Type: Spotfire.Dxp.DataDataTable
The data table. May be null.
expression
Type: SystemString
The expression defining the curve.

Return Value

Type: ReferenceCurveFittingModel
A ReferenceCurveFittingModel.
Exceptions
ExceptionCondition
ArgumentNullException Thrown if the expression is null.
Remarks
As of version 3.3, any columns to be used for labels and tooltips must be specified by the DataTableDetailItemsExpression property.
Examples
The following example shows how to add a curve with an expression containing columns in another table.
C#
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ScatterPlot plot = ...;
DataTable dataTable = ...;
ReferenceCurveFittingModel curve = plot.FittingModels.AddCurve(dataTable, "[a] + [b] * x");
Version Information

Supported in: 14.3, 14.2, 14.1, 14.0, 12.5, 12.4, 12.3, 12.2, 12.1, 12.0, 11.8
See Also

Reference

FittingModelCollection Class
AddCurve Overload
Spotfire.Dxp.Application.Visuals.FittingModels Namespace