For a given dataset with itemset I

$=$

$\{$

a

$,$

$$b

$,$

$$c

$,$

$$d

$\}$

$$and min

$\_$

sup

$=$

$8$

$,$

$$the closed patterns are

$\{$

a

$,$

$$b

$,$

$$c

$,$

$$d

$\}$

$$with support of

$1$

$0$

$,$

$\{$

a

$,$

$$b

$,$

$$c

$\}$

$$with support of

$1$

$2$

$,$

$$and

$\{$

a

$,$

$$b

$,$

$$d

$\}$

$$with support of

$1$

$4$

$.$

$$The support value for pattern

$\{$

c

$,$

$$d

$\}$

$$is: