# cuml.covariance

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| [`EmpiricalCovariance`](../generated/cuml.covariance.EmpiricalCovariance/index.html.md#cuml.covariance.EmpiricalCovariance)   | Maximum likelihood covariance estimator.               |
|------------------------------------------------------------------------------------------------------------|--------------------------------------------------------|
| [`LedoitWolf`](../generated/cuml.covariance.LedoitWolf/index.html.md#cuml.covariance.LedoitWolf)                     | LedoitWolf Estimator for covariance matrix estimation. |