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When data that are frequencies (counts) are listed in several columns of your data table, you must transform the data into the form that you need for logistic regression. For example, the Ingots2.jmp data table (see Figure 11.12) has columns Nready and Nnotready. These columns give the number of ingots that are ready to roll and ingots that are not ready to roll for each combination of Heat and Soak values.
Figure 11.12 Ingots2.jmp Sample Data Table
1.
Select Help > Sample Data Library and open Ingots2.jmp.
2.
Select Tables > Stack.
3.
Select Nready and NNotReady from the Select Columns list and click Stack Columns.
4.
This creates the new table in Figure 11.13. Label is the response (Y) column and Data is the frequency column.
Figure 11.13 Stacked Data Table

Help created on 3/19/2020