Data management:

1. Select the machine/country/shift combination that showed the greatest difficulty.

By For example, if your worst case scenario was machine 1 in Spain, your selection

should be viewed as follows: following way:

Table #1

2. Then it is necessary to order the data in a way that represents the sequence in

which they were taken. Shifts 1, 2 and 3 of each day must be consecutive. To

achieve this it is necessary to add a column that identifies each of the days as

presented in the table that follows.

Table #2:

3. Sort the data by day and shift.

Table #3