Assistant police chief Todd Beck wants to analyze the city’s historic crime data in order to better allocate police resources in the future. He collects data over the past two years. Each record in the data shows the type of crime reported and the location of the crime. Todd is interested in answering the following question: Which types of crimes are often associated with which locations? 

a. Generate association rules with a minimum support of 50 records and minimum confidence of 30%. How many rules are generated? 

b. Based on the rules, which type of crime is most likely to be committed in a department store? Which type of crime is most likely to be committed on the sidewalk? Which type of crime is most likely to be committed in apartments?

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Record 1 Record 2 NARCOTICS, STREET ASSAULT, RESIDENCE Record 2,500 NARCOTICS, SIDEWALK