00:00 - Intro Videos
00:48 - Formats for transaction data: "basket" vs. "single" and using read.transactions() in arules
03:18 - A note about the inspect() command (use it to see baskets and rules)
04:19 - Using itemFrequency() and getting support of each item
06:02 - Using grep on itemLabels to find items you can't remember names of
07:37 - itemFrequency() as prior probability
08:21 - Setting up apriori() function - the roles of supp=, conf=, minlen=, maxlen=, verbose=FALSE
13:01 - Looking at rules with inspect()
13:36 - Interpreting output of apriori - meaning of support, coverage, confidence, lift
16:01 - Interpreting rules (prior prob, lift, posterior probability)
17:27 - Sorting rules by confidence, etc.
19:04 - Visualizing rules as a graph to glimpse deeper relationships
22:06 - Exit videos
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