Using JMP Student Edition, Third Edition

10 Time Series Platform The Time Series Platform 225

10 Time Series Platform

The expected reduction in spikes did not occur, so an MA(1) is not an appropriate model. A second

model, an MA(2), can be run in the same way.

 Select

ARIMA from the platform menu.

 Enter a 2 beside

q, Moving Average Order.

 Click

Estimate.

Similar unsatisfactory results appear. However, note that JMP is accumulating a list of models, along

with appropriate fit statistics, in the

Model Comparison table.

Figure 10.6 Model Comparison Table

Examine the R

2

for the two models in this table. The MA(2) is a better fit than the MA(1).

The Time Series Platform

First, assign columns ...