.. _model-active_subspace-truncation_method-cross_validation-relative_tolerance:

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relative_tolerance
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Tolerance for cross-validation error value


.. toctree::
   :hidden:
   :maxdepth: 1



**Specification**

- *Alias:* None

- *Arguments:* REAL

- *Default:* 1.0e-6


**Description**


Select smallest subspace where change in cross-validation error falls
below specified tolerance.


