The list returned by a framework verb (net_centralities(), net_predict(),
net_boot(), net_stability()) applied to a psychnet_group: one result per
group level, keyed by level. as.data.frame() stacks the per-group tables
with a leading group column.
Usage
# S3 method for class 'psychnet_result_group'
print(x, ...)
# S3 method for class 'psychnet_result_group'
as.data.frame(x, row.names = NULL, optional = FALSE, ...)