imsl.data_mining.FrequentItemSets.frequency¶

FrequentItemSets.frequency(x)¶

Count the frequency of each itemset in a transaction data set.

Parameters:

Parameters:	x : (n, 2) array_like An array of transaction ID and item ID pairs.
Returns:	ndarray An array containing the number of occurrences of each candidate itemset in x.

x : (n, 2) array_like

An array of transaction ID and item ID pairs.

Returns:

ndarray

An array containing the number of occurrences of each candidate itemset in x.