From Data to Knowledge

Rule 2

IF wage increase first year <= 4

and statutory holidays <= 10

THEN class bad [85.7%]

Rule 5

IF wage increase first year > 2.5

and statutory holidays > 10

THEN class good [93.0%]

1, 6.0, ?, ?, ?, 38, ?, 8, 3, ?, 9, generous, ?, ?, ?, ?, good

3, 2.0, 2.0, 2.0, none, 40, none, ?, ?, ?, 10, below average, ?, half, yes, full, bad

2, 4.5, 4.5, ?, tcf, ?, ?, ?, ?, yes, 10, below average, yes, none, ?, half, good

2, 3.0, 3.0, ?, none, 33, ?, ?, ?, yes, 12, generous, ?, ?, yes, full, good

2, 5.0, 4.0, ?, none, 37, ?, ?, 5, no, 11, below average, yes, full, yes, full, good

3, 3.0, 2.0, 2.5, tc, 40, none, ?, 5, no, 10, below average, yes, half, yes, full, bad

2, 2.5, 2.5, ?, ?, 38, empl_contr, ?, ?, ?, 10, average, ?, ?, ?, ?, bad

………...

Numerical attribute

“wage increase first year”

Categorical attribute

“number of paid vacation day”

Class

Label

Missing

Values

Data Mining Algorithms