Exemplo n.º 1
0
def find_all_triplets(graph,edge_attr_name):    
    ''' this method runs on the graph and finds triplets of nodes x,i,j such that
    the edges x-i and x-j exist but the edge i-j doesn't'''
    
    
    diff_treshold.print_log("find all triplets start")
    triplets_lst = []
    
    for node_x in graph.nodes():
        #diff_treshold.print_log("find all triplets new node - " + str(node_x))
        nei_lst = graph.neighbors(node_x)
        for i in range(0 , len(nei_lst)):
            node_i = nei_lst[i]
            panel_i = diff_treshold.get_panel_id_substr(node_i)
            node_i_neis = graph.neighbors(node_i)
            corr_i = graph.get_edge_data(node_x,node_i)[edge_attr_name]
            for j in range(i + 1, len(nei_lst)):
                if nei_lst[j] not in node_i_neis and panel_i != diff_treshold.get_panel_id_substr(nei_lst[j]):
                    #node_x and node_i are neighbours, also node_x and node_j
                    #but node_i and node_j not and they are from different panels
                    corr_j = graph.get_edge_data(node_x,nei_lst[j])[edge_attr_name]
                    var = (node_x,node_i,nei_lst[j],corr_i,corr_j)                    
                    triplets_lst.append(var)
                    
                    #print("enter var")
    
    diff_treshold.print_log("find all triplets after loop return list")        
    return triplets_lst
Exemplo n.º 2
0
def analyze_trios(trios_lst, treshold):
    
    same_panel_high_corr = 0
    same_panel_low_corr = 0
    diff_panel_high_corr = 0
    diff_panel_low_corr = 0
    
    for trio in trios_lst:
        node1 = trio[1]
        node2 = trio[2]
        unconnected_corr = trio[5]
        diff_panel = False
        low_corr = unconnected_corr < treshold
        if diff_treshold.get_panel_id_substr(node1) != diff_treshold.get_panel_id_substr(node2):
            diff_panel = True
            
        if diff_panel:
            if low_corr:
                diff_panel_low_corr += 1
            else:
                diff_panel_high_corr += 1
        else:
            if low_corr:
                same_panel_low_corr += 1
            else:
                same_panel_high_corr += 1
    
    return (same_panel_high_corr,same_panel_low_corr,diff_panel_high_corr,diff_panel_low_corr)
Exemplo n.º 3
0
def graph_corr_dist_between_pannels(graph, panel1, panel2, is_show, attr_name):
    ''' this method calculates the distribution of the correlation between 2 panels'''

    corr_dist = []
    for u, v in graph.edges():
        panel_a = diff_treshold.get_panel_id_substr(u)
        panel_b = diff_treshold.get_panel_id_substr(v)
        if (panel_a == panel1
                and panel_b == panel2) or (panel_a == panel2
                                           and panel_b == panel1):
            corr_dist.append(graph.get_edge_data(u, v)[attr_name])

    plt.xlabel("correlation")
    plt.ylabel("frequency")
    plt.title("frequency for correlation between panels " + panel1 + " and " +
              panel2)
    plt.hist(corr_dist)
    fig_name = panel1 + "_" + panel2 + "_corr_dist_graph.png"
    if is_show:
        plt.savefig(fig_name)
        plt.show()
Exemplo n.º 4
0
def graph_pie_chart_neigbours_panel(graph, is_pie, is_save):
    ''' this method calcs the histogram of neighbours's panel per each panel '''
    n = len(diff_treshold.PANELS_LST)
    nei_mat = np.zeros(
        (n, n))  #matrix with cell for each two panels combination

    for u, v in graph.edges():
        u_panel = diff_treshold.get_panel_id_substr(u)
        v_panel = diff_treshold.get_panel_id_substr(v)

        u_panel_idx = diff_treshold.PANELS_LST.index(u_panel)
        v_panel_idx = diff_treshold.PANELS_LST.index(v_panel)

        nei_mat[u_panel_idx][v_panel_idx] += 1
        nei_mat[v_panel_idx][u_panel_idx] += 1  # symetry

    #print and save results
    labels = diff_treshold.PANELS_LST
    colors = ['gold', 'yellow', 'blue', 'red', 'green', 'brown']
    for i in range(0, n):
        #set the plot
        plt.xlabel("panel ID")
        plt.ylabel("amount of neigbours")
        plt.title("histogram of neigbours of traits from panel P" + str(i + 1))
        if is_pie:
            plt.pie(nei_mat[i],
                    colors=colors,
                    labels=labels,
                    autopct='%1.1f%%')
        else:
            #bar plot
            plt.bar(np.arange(n), nei_mat[i], align='center')
            plt.xticks(np.arange(n), labels)

        if is_save:
            fig_name = "P" + str(i +
                                 1) + "_neigbours_distribution_full_graph.png"
            plt.savefig(fig_name)
        plt.show()
Exemplo n.º 5
0
def create_graph_from_network(network):
    ''' This method gets a network and creates a graph from it'''
    
    diff_treshold.print_log("create graph - start")
    
    g = nx.Graph()
    for key in network.keys():
        g.add_node(key, panel_id = diff_treshold.get_panel_id_substr(key))
    #g.add_nodes_from(network.keys())
    
    diff_treshold.print_log("create graph - before adding edges")
    #create list of verteces
    neigbours_lst = []    
    for edge in network.keys():
        for val in network[edge]:
            neigbours_lst.append((edge, val))
        
    g.add_edges_from(neigbours_lst)
    
    diff_treshold.print_log("create graph - after adding edges, return graph")
    return g