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from Prediction of Oldfaithful volcanic eruption:Auto Regression by Sumit Tripathi
Derive a model for predicting Old Faithful volcanic eruption based on ARX and ARMAX.

OldFaithdata.m
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264	5460.00	5340
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269	5640.00	5340
109	3780.00	3300
295	5460.00	5700
240	4980.00	5100
259	5040.00	5160
128	4260.00	3600
287	4980.00	5520
153	4200.00	3900
264	4860.00	5340
120	3600.00	3480
283	5460.00	5520
115	3060.00	3480
254	5100.00	5100
94	3300.00	3300
94	5880.00	5340
128	2940.00	3840
270	5100.00	5580
103	3900.00	3480
267	6120.00	5340
111	3360.00	3300
275	5160.00	5340
104	3720.00	3300

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