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- Is there a way to automatically draw a reference line by default at, say the 3rd...

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Mar 2, 2016 9:07 AM
(2868 views)

I have to plot variability charts all the time and want to find out if there is a way to automatically plot a reference line at Q3 and Q1 or some predetermined value everytime I plot the variability chart. Is there a way to do it? I can't seem to find it in preferences.

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Mar 2, 2016 11:31 AM
(4853 views)

If there is no platform option, then you can resort to scripting if need be.

The following could be (much) improved, but shows the idea (using the quartiles for all the data values):

NamesDefaultToHere**(****1****)**;

dt = Open**(**"$SAMPLE_DATA/Variability Data/2 Factors Crossed.jmp"**)**;

mCol = Column**(**dt, "Measurement"**)**;

vals = mCol << **getValues**;

q1 = Quantile**(****0.25**, vals**)**;

q3 = Quantile**(****0.75**, vals**)**;

vc = dt << **Variability Chart****(**

Y**(** mCol **)**,

X**(** :Operator, :part# **)**,

Show Grand Median**(** **1** **)**,

Std Dev Chart**(** **0** **)**,

SendToReport**(**

Dispatch**(**

**{**"Variability Chart for Measurement"**}**,

"2",

ScaleBox,

**{**Add Ref Line**(** q1, "Solid", "Red", "", **1** **)})**,

Dispatch**(**

**{**"Variability Chart for Measurement"**}**,

"2",

ScaleBox,

**{**Add Ref Line**(** q3, "Solid", "Red", "", **1** **)})**

**)**

**)**;

2 REPLIES

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Mar 2, 2016 11:31 AM
(4854 views)

If there is no platform option, then you can resort to scripting if need be.

The following could be (much) improved, but shows the idea (using the quartiles for all the data values):

NamesDefaultToHere**(****1****)**;

dt = Open**(**"$SAMPLE_DATA/Variability Data/2 Factors Crossed.jmp"**)**;

mCol = Column**(**dt, "Measurement"**)**;

vals = mCol << **getValues**;

q1 = Quantile**(****0.25**, vals**)**;

q3 = Quantile**(****0.75**, vals**)**;

vc = dt << **Variability Chart****(**

Y**(** mCol **)**,

X**(** :Operator, :part# **)**,

Show Grand Median**(** **1** **)**,

Std Dev Chart**(** **0** **)**,

SendToReport**(**

Dispatch**(**

**{**"Variability Chart for Measurement"**}**,

"2",

ScaleBox,

**{**Add Ref Line**(** q1, "Solid", "Red", "", **1** **)})**,

Dispatch**(**

**{**"Variability Chart for Measurement"**}**,

"2",

ScaleBox,

**{**Add Ref Line**(** q3, "Solid", "Red", "", **1** **)})**

**)**

**)**;

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Mar 3, 2016 1:12 AM
(2716 views)

Thanks Ian I'm aware of the potentials of the scripting side of jmp now!