$5.$ Use the table below for the following two questions.

Customer ID

Transaction ID

Items Bought

$1$

$0001$

$\{$a$,$ d$,$ e$\}$

$1$

$0024$

$\{$a$,$ b$,$ c$,$ e$\}$

$.$

$2$

$0012$

$\{$a$,$ b$,$ d$,$ e$\}$

b$.$

$2$

$0031$

$\{$a$,$ c$,$ d$,$ e$\}$

C$.$

$0015$

$\{$b$,,\}$

d$.$

$3$

$0022$

$\{$b$,$ d$,$ e$\}$

e$.$

$4$

$0029$

$\{$c$,$ d;

t$.$

$4$

$0040$

la$,$ b$,$ c$\}$

$8.$

$5$

$0033$

$\{$a$,$ d$,$ e$\}$

h$.$

$5$

i$.$

$0038$

$\{$a$,$ b$,$ e$\}$

J$.$

a$.$

Treating each transaction as a market basket, compute the confidence for the rule $\{$a$,$ e$\}->\{$b$\}.($Note: You must show how you get the result.$)($opts$)$

Support la$,$ el $=$ G$=0\mathrm{.}6$

condence $2$a$,$ es $->1$b$ $=$ a$,$ e$,$

a$,$ e

$1$b j$=4$

$=0\mathrm{.}4$

$10$

$=\_$

$3$

$0.6$

$2$

$3$

b$.$

Treating each customer as a market basket, compute the confidence for the rule $\{$a$,$ e$\}->\{$b$\}.($opts$)$

fo$,$e$=4=0\mathrm{.}8$