Parameter ========= .. currentmodule:: astropy.cosmology .. autoclass:: Parameter :show-inheritance: .. rubric:: Attributes Summary .. autosummary:: ~Parameter.derived ~Parameter.equivalencies ~Parameter.format_spec ~Parameter.fvalidate ~Parameter.name ~Parameter.unit .. rubric:: Methods Summary .. autosummary:: ~Parameter.clone ~Parameter.register_validator ~Parameter.validate ~Parameter.validator .. rubric:: Attributes Documentation .. autoattribute:: derived .. autoattribute:: equivalencies .. autoattribute:: format_spec .. autoattribute:: fvalidate .. autoattribute:: name .. autoattribute:: unit .. rubric:: Methods Documentation .. automethod:: clone .. automethod:: register_validator .. automethod:: validate .. automethod:: validator