Example #1
0
                                   numnodes=fluencydata.groupnumnodes,
                                   fitinfo=fitinfo)
print('Estimated Conceptual Netwok')

# Estimate the best network using Pathfinder (Chan et al)
pf_graph = snafu.pathfinder(fluencydata.Xs, numnodes=fluencydata.groupnumnodes)
print('Estimated Pathfinder Network')

# Estimate the best network using correlation-based Network (Kenett et al)
# Requires the 'planarity' module for Python
cbn_graph = snafu.correlationBasedNetwork(fluencydata.Xs,
                                          numnodes=fluencydata.groupnumnodes)
print('Estimated Correlation-Based Network')

# Estimate the best network using First-Edge (Abrahao et al)
fe_graph = snafu.firstEdge(fluencydata.Xs, numnodes=fluencydata.groupnumnodes)
print('Estimated First-Edge Network')

# write edge lists to a file
snafu.write_graph(nrw_graph,
                  "nrw_graph.csv",
                  labels=fluencydata.groupitems,
                  subj="GROUP")
snafu.write_graph(cn_graph,
                  "cn_graph.csv",
                  labels=fluencydata.groupitems,
                  subj="GROUP")
snafu.write_graph(pf_graph,
                  "pf_graph.csv",
                  labels=fluencydata.groupitems,
                  subj="GROUP")
    for sub in subs:
        Xs, items, irtdata, numnodes = snafu.readX(
            sub,
            category,
            filepath,
            removePerseverations=True,
            spellfile="spellfiles/zemla_spellfile.csv")
        if method == "rw":
            graph = snafu.nrw(Xs, numnodes)
        if method == "goni":
            graph = snafu.goni(Xs, numnodes, fitinfo=fitinfo)
        if method == "chan":
            graph = snafu.chan(Xs, numnodes)
        if method == "kenett":
            graph = snafu.kenett(Xs, numnodes)
        if method == "fe":
            graph = snafu.firstEdge(Xs, numnodes)
        if method == "uinvite_flat":
            graph, ll = snafu.uinvite(Xs, toydata, numnodes, fitinfo=fitinfo)

        for i in range(len(graph)):
            for j in range(len(graph)):
                if i > j:
                    item1 = items[i]
                    item2 = items[j]
                    itempair = np.sort([item1, item2])
                    fo.write(sub + "," + method + "," + itempair[0] + "," +
                             itempair[1] + "," + str(graph[i, j]) + "\n")
fo.close()
Example #3
0
def network_properties(command, root_path):
    subj_props = command['data_parameters']
    command = command['network_parameters']

    # U-INVITE won't work with perseverations
    if command['network_method'] == "U-INVITE":
        removePerseverations=True
    else:
        removePerseverations=False
    
    if subj_props['factor_type'] == "subject":
        ids = str(subj_props['subject'])
        group = False
    elif subj_props['factor_type'] == "group":
        ids = str(subj_props['group'])            # without str() causes unicode issues for "all" :(
        group = True

    filedata = snafu.readX(ids, subj_props['fullpath'], category=subj_props['category'], spellfile=label_to_filepath(subj_props['spellfile'], root_path, "spellfiles"), removePerseverations=removePerseverations, group=group)
    filedata.nonhierarchical()
    Xs = filedata.Xs
    items = filedata.items
    irts = filedata.irts
    numnodes = filedata.numnodes
    
    toydata=snafu.DataModel({
            'numx': len(Xs),
            'trim': 1,
            'jump': float(command['jump_probability']),
            'jumptype': command['jump_type'],
            'priming': float(command['priming_probability']),
            'startX': command['first_item']})
    fitinfo=snafu.Fitinfo({
            'prior_method': "zeroinflatedbetabinomial",
            'prior_a': 1,
            'prior_b': 2,
            'zibb_p': 0.5,
            'startGraph': command['starting_graph'],
            'goni_size': int(command['goni_windowsize']),
            'goni_threshold': int(command['goni_threshold']),
            'followtype': "avg", 
            'prune_limit': 100,
            'triangle_limit': 100,
            'other_limit': 100})
   
    if command['prior']=="None":
        prior=None
    elif command['prior']=="USF":
        usf_file_path = "/snet/USF_animal_subset.snet"
        filename = root_path + usf_file_path
        
        usf_graph, usf_items = snafu.read_graph(filename)
        usf_numnodes = len(usf_items)
        priordict = snafu.genGraphPrior([usf_graph], [usf_items], fitinfo=fitinfo)
        prior = (priordict, usf_items)
        
    if command['network_method']=="RW":
        bestgraph = snafu.noHidden(Xs, numnodes)
    elif command['network_method']=="Goni":
        bestgraph = snafu.goni(Xs, numnodes, td=toydata, valid=0, fitinfo=fitinfo)
    elif command['network_method']=="Chan":
        bestgraph = snafu.chan(Xs, numnodes)
    elif command['network_method']=="Kenett":
        bestgraph = snafu.kenett(Xs, numnodes)
    elif command['network_method']=="FirstEdge":
        bestgraph = snafu.firstEdge(Xs, numnodes)
    elif command['network_method']=="U-INVITE":
        bestgraph, ll = snafu.uinvite(Xs, toydata, numnodes, fitinfo=fitinfo, debug=False, prior=prior)
    
    nxg = nx.to_networkx_graph(bestgraph)
    nxg_json = jsonGraph(nxg, items)
    
    return graph_properties(nxg,nxg_json)
Example #4
0
    # Estimate the best network using Goni
    if method=="goni":
        graph = snafu.goni(Xs_flat, groupnumnodes, fitinfo=fitinfo)
        
    # Estimate the best network using Chan
    if method=="chan":
        graph = snafu.chan(Xs_flat, groupnumnodes)

    # Estimate the best network using Kenett
    if method=="kenett":
        graph = snafu.kenett(Xs_flat, groupnumnodes)

    # Estimate the best network using First-Edge
    if method=="fe":
        graph = snafu.firstEdge(Xs_flat, groupnumnodes)
        
    # Estimate the best network using a non-hierarchical U-INVITE
    if method=="uinvite_flat":
        graph, ll = snafu.uinvite(Xs_flat, toydata, groupnumnodes, fitinfo=fitinfo)
        
    # Estimate the best network using hierarchical U-INVITE
    if method=="uinvite_hierarchical":
        sub_graphs, priordict = snafu.hierarchicalUinvite(Xs_hier, items, numnodes, toydata, fitinfo=fitinfo)
        graph = snafu.priorToGraph(priordict, groupitems)

    # convert numpy matrix to networkx graph and replace indices with semantic labels
    graph = nx.to_networkx_graph(graph)
    nx.relabel_nodes(graph, groupitems, copy=False)
    graphs.append(graph)
            # Generate Goni graph from data
            if 'goni' in methods:
                goni_graph = snafu.goni(flatdata, usf_numnodes, fitinfo=fitinfo)

            # Generate Chan graph from data
            if 'chan' in methods:
                chan_graph = snafu.chan(flatdata, usf_numnodes)
            
            # Generate Kenett graph from data
            if 'kenett' in methods:
                kenett_graph = snafu.kenett(flatdata, usf_numnodes)

            # Generate First Edge graph from data
            if 'fe' in methods:
                fe_graph = snafu.firstEdge(flatdata, usf_numnodes)
               
            # Generate non-hierarchical U-INVITE graph from data
            if 'uinvite_flat' in methods:
                uinvite_flat_graph, ll = snafu.uinvite(flatdata, toydata, usf_numnodes, fitinfo=fitinfo)
            
            # Generate hierarchical U-INVITE graph from data
            if 'uinvite_hierarchical' in methods:
                uinvite_graphs, priordict = snafu.hierarchicalUinvite(data_hier[:ssnum], items[:ssnum], numnodes[:ssnum], toydata, fitinfo=fitinfo)
                
                # U-INVITE paper uses an added "threshold" such that at least 2 participants must have an edge for it to be in the group network
                # So rather than using the same prior as the one used during fitting, we have to generate a new one
                priordict = snafu.genGraphPrior(uinvite_graphs, items[:ssnum], fitinfo=fitinfo, mincount=2)

                # Generate group graph from the prior
                uinvite_group_graph = snafu.priorToGraph(priordict, usf_items)
Example #6
0
            if 'goni' in methods:
                goni_graph = snafu.goni(flatdata,
                                        usf_numnodes,
                                        fitinfo=fitinfo)

            # Generate Chan graph from data
            if 'chan' in methods:
                chan_graph = snafu.chan(flatdata, usf_numnodes)

            # Generate Kenett graph from data
            if 'kenett' in methods:
                kenett_graph = snafu.kenett(flatdata, usf_numnodes)

            # Generate First Edge graph from data
            if 'fe' in methods:
                fe_graph = snafu.firstEdge(flatdata, usf_numnodes)

            # Generate non-hierarchical U-INVITE graph from data
            if 'uinvite_flat' in methods:
                uinvite_flat_graph, ll = snafu.uinvite(flatdata,
                                                       toydata,
                                                       usf_numnodes,
                                                       fitinfo=fitinfo)

            # Generate hierarchical U-INVITE graph from data
            if 'uinvite_hierarchical' in methods:
                uinvite_graphs, priordict = snafu.hierarchicalUinvite(
                    data_hier[:ssnum],
                    items[:ssnum],
                    numnodes[:ssnum],
                    toydata,
Example #7
0
def network_properties(command, root_path):
    subj_props = command['data_parameters']
    command = command['network_parameters']

    # U-INVITE won't work with perseverations
    if command['network_method'] == "U-INVITE":
        removePerseverations = True
    else:
        removePerseverations = False

    if subj_props['factor_type'] == "subject":
        Xs, items, irts, numnodes = snafu.readX(
            subj_props['subject'],
            subj_props['category'],
            subj_props['fullpath'],
            spellfile=label_to_filepath(subj_props['spellfile'], root_path,
                                        "spellfiles"),
            removePerseverations=removePerseverations)
    elif subj_props['factor_type'] == "group":
        Xs, items, irts, numnodes = snafu.readX(
            subj_props['subject'],
            subj_props['category'],
            subj_props['fullpath'],
            spellfile=label_to_filepath(subj_props['spellfile'], root_path,
                                        "spellfiles"),
            removePerseverations=removePerseverations,
            group=subj_props['group'],
            flatten=True)

    toydata = snafu.Data({
        'numx': len(Xs),
        'trim': 1,
        'jump': float(command['jump_probability']),
        'jumptype': command['jump_type'],
        'priming': float(command['priming_probability']),
        'startX': command['first_item']
    })
    fitinfo = snafu.Fitinfo({
        'prior_method': "betabinomial",
        'prior_a': 1,
        'prior_b': 1,
        'startGraph': command['starting_graph'],
        'goni_size': int(command['goni_windowsize']),
        'goni_threshold': int(command['goni_threshold']),
        'followtype': "avg",
        'prune_limit': 100,
        'triangle_limit': 100,
        'other_limit': 100
    })

    if command['prior'] == "None":
        prior = None
    elif command['prior'] == "USF":
        usf_file_path = "/snet/USF_animal_subset.snet"
        filename = root_path + usf_file_path

        usf_graph, usf_items = snafu.read_graph(filename)
        usf_numnodes = len(usf_items)
        priordict = snafu.genGraphPrior([usf_graph], [usf_items],
                                        fitinfo=fitinfo)
        prior = (priordict, usf_items)

    if command['network_method'] == "RW":
        bestgraph = snafu.noHidden(Xs, numnodes)
    elif command['network_method'] == "Goni":
        bestgraph = snafu.goni(Xs,
                               numnodes,
                               td=toydata,
                               valid=0,
                               fitinfo=fitinfo)
    elif command['network_method'] == "Chan":
        bestgraph = snafu.chan(Xs, numnodes)
    elif command['network_method'] == "Kenett":
        bestgraph = snafu.kenett(Xs, numnodes)
    elif command['network_method'] == "FirstEdge":
        bestgraph = snafu.firstEdge(Xs, numnodes)
    elif command['network_method'] == "U-INVITE":
        bestgraph, ll = snafu.uinvite(Xs,
                                      toydata,
                                      numnodes,
                                      fitinfo=fitinfo,
                                      debug=False,
                                      prior=prior)

    nxg = nx.to_networkx_graph(bestgraph)

    node_degree = np.mean(dict(nxg.degree()).values())
    nxg_json = jsonGraph(nxg, items)
    clustering_coefficient = nx.average_clustering(nxg)
    try:
        aspl = nx.average_shortest_path_length(nxg)
    except:
        aspl = "disjointed graph"

    return {
        "type": "network_properties",
        "node_degree": node_degree,
        "clustering_coefficient": clustering_coefficient,
        "aspl": aspl,
        "graph": nxg_json
    }
    # Estimate the best network using Goni
    if method=="goni":
        graph = snafu.goni(Xs_flat, groupnumnodes, fitinfo=fitinfo)
        
    # Estimate the best network using Chan
    if method=="chan":
        graph = snafu.chan(Xs_flat, groupnumnodes)

    # Estimate the best network using Kenett
    if method=="kenett":
        graph = snafu.kenett(Xs_flat, groupnumnodes)

    # Estimate the best network using First-Edge
    if method=="fe":
        graph = snafu.firstEdge(Xs_flat, groupnumnodes)
        
    # Estimate the best network using a non-hierarchical U-INVITE
    if method=="uinvite_flat":
        graph, ll = snafu.uinvite(Xs_flat, toydata, groupnumnodes, fitinfo=fitinfo)
        
    # Estimate the best network using hierarchical U-INVITE
    if method=="uinvite_hierarchical":
        sub_graphs, priordict = snafu.hierarchicalUinvite(Xs_hier, items, numnodes, toydata, fitinfo=fitinfo)
        graph = snafu.priorToGraph(priordict, groupitems)

    # convert numpy matrix to networkx graph and replace indices with semantic labels
    graph = nx.to_networkx_graph(graph)
    nx.relabel_nodes(graph, groupitems, copy=False)
    graphs.append(graph)