Parameters Description Parameter types
CAR If enabled, class association rules are mined instead of general association rules. Boolean
numRules The required number of rules Numeric
metricType Type of metric by which to sort rules such as confidence, lift, leverage, conviction. Nominal
minMetric Minimum metric score. Consider only rules with scores higher than the specified value. Minimum confidence by default is 0.9 Numeric
Delta The delta by which the minimum support is decreased in each iteration (default: 0.05). Numeric
lowerBoundMinSupport Lower bound for minimum support (default: 0.1) Numeric
Table 15: Summary of Apriori Parameters.