Question $1$

Using market basket analysis, construct a combination of two purchased items into an appropriate table or matrix. Record the following:

$($i$)$ Frequency

$($ii$)$ Support

$($iii$)$ Confidence

$($iv$)$ Lift

Which of the following $3$ combinations would you prioritize? Justify the reason. $\backslash$begin$\{$tabular$\}\{$l$|$c$|$c$|$c$|$c$|\}$

& $\backslash$multicolumn$\{1\}\{$c$\}\{$ Purchase $1\}$ & $\backslash$multicolumn$\{1\}\{$c$\}\{$ Purchase $2\}$ & Purchase $3$ & Purchase $4\backslash \backslash$

$\backslash$hline Retailer A & S$.$Phone & S$.$watch & Earbuds & Charger $\backslash \backslash$

$\backslash$hline Retailer B & S$.$Watch & S$.$ Phone & Earbuds & $\backslash \backslash$

$\backslash$hline Retailer C & S$.$Phone & Tabs & S$.$watch & $\backslash \backslash$

$\backslash$hline Retailer D & S$.$Phone & Tabs & & $\backslash \backslash$

$\backslash$hline Retailer E & Tab & Earbuds & S$.$watch & $\backslash \backslash$

$\backslash$hline

$\backslash$end$\{$tabular$\}$