Discovering Organizational Hierarchy through a Corporate Ranking Algorithm: The Enron Case

Table 3

Frequency of Enron’s employees by occupational categories according to the clusters discovered (columns) by the Walktrap algorithm [65]. Chi-square’s value compares the results with the expected values assuming that there is independence between the occupational categories and the clusters generated by each algorithm.

	Walktrap
	1	2	3	4	5	6	7	8	9
Senior managers
CEOs-President	3	0	4	1	0	0	1	0	0
Executive VP	0	0	2	0	0	0	0	1	0
Managing Director	0	2	2	0	0	0	2	1	0
Vice President	2	6	7	1	4	2	1	1	0
Middle managers
Director	2	2	12	1	1	2	1	1	0
Manager	3	5	7	1	1	3	4	2	0
Attorneys-legal asst.	2	0	3	1	0	1	1	2	0
Trader	0	7	14	1	2	2	7	1	0
Employee	3	1	6	1	0	2	1	1	1
Total	15	23	57	7	8	12	18	10	1
Chi-sq. value	0.58