# API Reference

## Obs

```{eval-rst}
.. autoclass:: cfr.v2026.obs.Obs
    :members:

.. autoclass:: cfr.v2026.obs.ProxyRecord
    :members:
```

## Prior

```{eval-rst}
.. autoclass:: cfr.v2026.prior.PriorMember
    :members:

.. autoclass:: cfr.v2026.prior.Prior
    :members:
```

## PSM

```{eval-rst}
.. autoclass:: cfr.v2026.psm.IdenticalTS
    :members:

.. autoclass:: cfr.v2026.psm.IdenticalSST
    :members:

.. autoclass:: cfr.v2026.psm.IdenticalSSS
    :members:

.. autoclass:: cfr.v2026.psm.IdenticalSSTSSS
    :members:

.. autoclass:: cfr.v2026.psm.TEX86
    :members:

.. autoclass:: cfr.v2026.psm.UK37
    :members:

.. autoclass:: cfr.v2026.psm.MgCa
    :members:

.. autoclass:: cfr.v2026.psm.d18Oc
    :members:
```

## DA

```{eval-rst}
.. autoclass:: cfr.v2026.enkf.Solver
    :members:

.. autoclass:: cfr.v2026.enkf.solver.EnSRF
    :members:

.. autoclass:: cfr.v2026.enkf.solver.EnSRF_DASH
    :members:

.. autoclass:: cfr.v2026.enkf.solver.EnOI
    :members:
```