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Data Mining Assignment | Business Analytics Assignment

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Added on  2020-05-11

Data Mining Assignment | Business Analytics Assignment

   Added on 2020-05-11

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Data Mining Assignment | Business Analytics Assignment_1
Question 1(i)Rule #1: A purchase of brushes by the customer tends to ensure the purchase of nail polishwith underlying conditional probability that equals 1.Rule #2: A purchase of nail polish by the customer tends to ensure the purchase of nailpolish with underlying conditional probability that equals 0.6322.Rule #3: A purchase of nail polish by the customer tends to ensure the purchase of bronzerwith underlying conditional probability that equals 0.5920..1
Data Mining Assignment | Business Analytics Assignment_2
(ii)Rule redundancy is quite often observed in case of association rules. It happens when thesupport level for the concerned association rule can be predicted by the rule just precedingthe same. An apt example to quote to illustrate this concept is Rule 2 in the outputindicated above. Careful observation of the lift ratio (indicative of support) implies that it isthe same for both the rules. Thus, rule 2 is rendered redundant as rule 1 tends to enjoy ahigher confidence level (Leibowitz, 2015).In relation to utility analysis, a critical aspect is that the consideration of association rulesmust be taken on a collective basis and not on individual basis as the complete picture maynot emerge. Also, it is noteworthy that for individual association rules, two critical factorsarise which includes confidence (confidence level) and support (lift ratio) (Zaki, 2000)..(iii) The revised association result output produced due to higher minimum confidence level of75% is highlighted below.2
Data Mining Assignment | Business Analytics Assignment_3

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