Add tree pruning method #37
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@harmsm and @jharman25 |
Zsailer
commented
Oct 3, 2019
Comment on lines
+39
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| node = tree.find_node_with_label(val) | ||
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| # Get all descendant nodes | ||
| descendants = list(node.postorder_iter()) | ||
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| # Remove them from dataframe | ||
| nodes_to_rm = [d.label for d in descendants] | ||
| return df.loc[~df[col].isin(nodes_to_rm)] |
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postorder_iter is a generator that loops over descendant nodes from any other node
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Adds a
.phylo.prune()method.The function takes a simple kwarg. The key is the column name in the DataFrame and the value is row's value at that column.
Example:
In the example below, prune a node "3" by passing in
id='3'.idis the column name.'3'is the value.Before:
After: