Cnv.add_col_attr¶
- 
Cnv.add_col_attr(name: str, value: numpy.ndarray)¶ Add column attribute to the assay
Verifies that the value has expected number of elements
- Args:
 name: name of the attribute value: array with a value for each column in the assay
- Raises:
 - ValueError: if value does not have the same number of elements
 as number of rows in the assay