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Illustrates how network properties vary with the similarity threshold

Source: R/make-threshold-profile.R
make_threshold_profile.Rd

make_threshold_profile() outputs properties of the agent or symbolic network as a function of similarity threshold.

Usage

make_threshold_profile(data, layer)

Arguments

data

A data frame corresponding to the attitudes held by agents with respect to a number of items

layer

A string flag specifying the type of network to be extracted,

  • "agent" produces the network corresponding to the agents, which we assume to be rows in data

  • "symbolic" produces the network corresponding to the symbols, or items, which we assume to be columns in data

Value

A data frame containing properties of the agent or symbolic network as a function of the similarity threshold. In particular, it contains three columns named

  • threshold, the value of the similarity threshold

  • ad, the average degree resulting from threshold, and

  • lcc, the size of the largest connected component resulting from threshold

Details

Note that this routine is expensive on large graphs. We study networks over the full range of similarity thresholds [-1, 1], and as a result, produce networks that are complete at the lower limit of that range. Note that by default we will subsample the provided survey with the C++ implementation in order to avoid memory issues. We could then allow a flag that turns off the subsampling step, at the user's peril.

Examples

S <- make_synthetic_data(20, 5)