Study design

Pareto analysis study requirements and dataset layout.

Requirements

  • A categorical variable of failures.
  • 1 or 2 factor variables.

Dataset layout

Use a column for the variable (Failute), an optional column for the factor variable (Operator); each row has the values of the variables for a failure (ID).

ID (optional) Operator (optional) Failure
1 SNH Colorimeter drift
2 SNH Miscellaneous
3 JDH Electrode failure
4 GMH Deformed tubing
5 SNH Reagents
6 SNH Light failure
7 JDH Deformed tubing
8 SNH Colorimeter drift
9 JDH Colorimeter drift
10 GMH Deformed tubing

Frequency form dataset layout

Use a column for the variable (Failute), an optional column for the factor variable (Operator) and a column for the number of cases (Frequency); each row has the values of the variables and the frequency count.

Failure Operator (optional) Frequency
Colorimeter drift SNH 14
Colorimeter drift JDH 15
Colorimeter drift GMH 22
Deformed tubing SNH 4
Deformed tubing JDH 5
Deformed tubing GMH 5
Electrode failure SNH 1
Electrode failure JDH 2
Electrode failure GMH 3