Below is a table of average sale information that a local small grocery store ha
ID: 457566 • Letter: B
Question
Below is a table of average sale information that a local small grocery store has collected from 4pm to 6pm on every Friday.
a) Use Market Basket Analysis (Support, Confidence, and Lift) to compare two cases.
Case 1: Consumer who bought potato chips also bought milk
Case 2: Consumer who bought soda also bought milk
b) What does the result in a) imply? Please interpret the results in a).
c) Based on the results in a), suggest a strategy which the store owner could implement to
Total 50Beer Pot. Chips Milk Diapers Soda 10 items Beer Pot. Chips Milk Diapers SodaExplanation / Answer
Market Basket Analysis is about the affiliation rules as if X then Y.
Bolster (S) is the fraction of the transactions containing both X and Y.
Certainty (C) measure how frequently every thing in Y show up in transaction that contains X
C = Support (X+Y)/Support(X)
Lift of the principle X=> Y is the certainty of the guideline separated by the normal certainty expecting that the things are free given as Support(X+Y)/{Support(X)*Support(Y)}
a) Use Market Basket Analysis (Support, Confidence, and Lift) to analyze two cases.
Case 1: Consumer who purchased potato chips additionally purchased milk
In the given grid, let us ascertain the aggregate number of transactions as total of all conceivable combinationslike brew aloneor lager with potato chips or lager with milk and so on., in this way add up to number of transactions are 34.
There are just 3 transactions indicating potato chips with milk, in this way Support = 3/34, Confidence = 3/10 and
Lift = 3/(10*9) =1/30
Case 2: Consumer who purchased pop additionally purchased milk
There are stand out transaction of pop with milk, in this manner Support = 1/34, Confidence = 1/12 and Lift = 1/108
b) What does the outcome in an) infer? If you don't mind decipher the outcomes in a).
From over the corelationship between Potato chips and Milk is more than the correlationship amongst Soda and milk. At the end of the day a man purchasing potato chips may purchase drain additionally have more probalility than that of a man purchasing pop and drain.
c) Based on the outcomes in a), recommend a procedure which the store proprietor could actualize to expand offers of milk.
The procedure might be to give rebates on consolidated offers of potato chips and drain.
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