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Iron Python script to set Lines & Curves Y-values column in ScatterPlot

Jonathan Guthrie

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I have a Python script as follows to change the YColumnReference in Lines & Curves in a ScatterPlot (screenshot of parameters attached)

from Spotfire.Dxp.Application.Visuals import *

sp = vis.As[scatterPlot]()

for fm in sp.FittingModels:

if fm.TypeId.DisplayName == "Line from Column Values":

if fm.Line.DisplayName == "Fit Data":

print fm.Line.DisplayName

print FittingModelCurve

fm.YColumnReference = FittingModelCurve

print fm.YColumnReference

which displays the following Error:

Fit Data

Modified Arps (Secant).0

Traceback (most recent call last):

File "", line 9, in

TypeError: expected DataColumn, got str

Any thoughts

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