a data frame with n rows (products) and p columns (nested partitions for all consumers)
group
a list indicating the number of levels (nested partitions) for each consumer
numr
the number of hierarchical sorting per row (by default 2)
numc
the number of hierarchical sorting per column (by default 2)
Value
Returns as many graphs as there are consumers, each graph represents hierarchical sorting provided by a consumer
Details
The data used here refer to a specific experiment, where children were asked to provide hierarchical sorting (several nested partitions) from 16 cards.