{
    "name": "Rates.gamma",
    "synonyms": ["Rates.Gamma"],
    "result_type": "MixtureModel[a]",
    "call": "SModel.gamma_rates[submodel,alpha,n]",
    "args": [
        {
            "arg_name": "n",
            "arg_type": "Int",
            "default_value": "4",
            "description": "The number of bins for discretizing the Gamma distribution"
        },
        {
            "arg_name": "alpha",
            "arg_type": "Double",
            "default_value": "~log_laplace[6,2]",
            "description": "The shape parameter for the Gamma distribution"
        },
        {
            "arg_name": "submodel",
            "arg_type": "MixtureModel[a]",
            "description": "The model being scaled"
        }
    ],
    "examples": ["gtr+Rates.gamma[4]+inv"],
    "title": "The discrete-Gamma rate heterogeneity model",
    "description": "The describes rate-heterogeneity across sites, where the rates for each site follow a Gamma distribution",
    "citation":{"type": "article",
		"title": "Maximum likelihood phylogenetic estimation from DNA sequences with variable rates over sites: approximate methods",
		"year": "1994",
		"author": [{"name": "Yang, Ziheng"}],
		"journal": {"name": "Journal of molecular evolution", "volume": "39", "number": "3", "pages": "306--314"},
		"identifier": [{"type":"doi","id":"10.1007/BF00160154"}]
	       }
}
