Rainer Kröning, Berlin

Pareto Analyse - ABC-Analyse

Application - Use - Example - Tools - Templates

The Italian economist Vilfredo Pareto, 1848-1923, found out, that with 20% of the time exposure 80% of the results were reached. Also many software phenomena follow a 80/20-Pareto distribution:

20 percent of the ...   80 percent of the ...
Modules Consume
Contribute
Consume
Resources
Errors
Execution time
Errors Consume Repair costs
Enhancements Consume Adaptive maintenance costs
Tools Experience Tool usage

Application

Pareto analysis is used for identifying the one or two situation categories in which most of the problems occur.

A chart (Pareto diagram) represents visually the distibution of studied occurrences, whereby the most frequent occurrence is represented on the left-hand side. The other occurrences will be represented in descendeing order to the right.

Use

Example

Cause for customer problems, categorized by process steps.

Pareto

Tools

MS EXCEL

StarCalc

Templates

MS EXCEL- activate the macros

Weisheit

Erziehen heißt vorleben; alles andere ist höchstens Dressur.

Oswald Bumke
1877 – 1950
deutscher Psychater und Neurologe

Musikerwitz

Der völlig unbegabte Bariton sagt: "Und nun singe ich `Am Brunnen vor dem Tore`."
Ein genervter Zuhörer daraufhin: "Das ist auch gut so, hier drinnen hört Ihnen ja sowieso keiner mehr zu!"