skbio.table.Table.get_value_by_ids#
- Table.get_value_by_ids(obs_id, samp_id)[source]#
Return value in the matrix corresponding to
(obs_id, samp_id)- Parameters:
- obs_idstr
The ID of the observation
- samp_idstr
The ID of the sample
- Returns:
- float
The data value corresponding to the specified matrix position
See also
Examples
>>> import numpy as np >>> from biom.table import Table
Create a 2x3 BIOM table:
>>> data = np.asarray([[0, 0, 1], [1, 3, 42]]) >>> table = Table(data, ['O1', 'O2'], ['S1', 'S2', 'Z3'])
Retrieve the number of counts for observation O1 in sample Z3.
>>> print(table.get_value_by_ids('O2', 'Z3')) 42.0