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Table 1 Example Dataset with 3 Patients and 6 Attributes

From: Building a knowledge base for colorectal cancer patient care using formal concept analysis

Object

Attributes*

Age_L

Age_M

Age_H

Lym_L

Lym_H

CEA_L

CEA_H

P1

0

0

1

1

0

0

1

P2

0

1

0

0

1

1

0

P3

0

1

0

0

1

0

1

  1. *Age_L: age < 60, Age_M: age 60 to 70, Age_H: age > 70; Lym_L, lymph nodes < 10; LymH, lymph nodes ≥ 10
  2. CEA_L carcinoembryonic antigen level low, CEA_H carcinoembryonic antigen level high