a57cfa61b45cb0c0147d529ad51daa24cefc7bd5,skbio/diversity/beta/_unifrac.py,,weighted_unifrac,#Any#Any#Any#Any#Any#,87

Before Change

       73, 1576–1585 (2007).

    
    u_observed_otus = {o: c for o, c in zip(otu_ids, u_counts) if c >= 1}
    u_total_count = sum(u_counts)
    v_observed_otus = {o: c for o, c in zip(otu_ids, v_counts) if c >= 1}
    v_total_count = sum(v_counts)
    if u_total_count == 0 and v_total_count == 0:

After Change

    
    u_obs_otu_counts = _observed_otu_counts(u_counts, otu_ids)
    u_total_count = sum(u_counts)
    v_obs_otu_counts = _observed_otu_counts(v_counts, otu_ids)
    v_total_count = sum(v_counts)
    u_obs_nodes = tree.observed_node_counts(u_obs_otu_counts)
    v_obs_nodes = tree.observed_node_counts(v_obs_otu_counts)
    uv_obs_nodes = set(u_obs_nodes) | set(v_obs_nodes)
    if len(uv_obs_nodes) == 0:
        // boundary case where both communities have no members
        return 0.0
    weighted_unifrac = 0

Instances