# Exponential rolling objects

| [`RollingExp`](../generated/xarray.computation.rolling_exp.RollingExp.html.md#xarray.computation.rolling_exp.RollingExp)(obj, windows[, window_type, ...])   | Exponentially-weighted moving window object.   |
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| [`RollingExp.mean`](../generated/xarray.computation.rolling_exp.RollingExp.mean.html.md#xarray.computation.rolling_exp.RollingExp.mean)([keep_attrs])             | Exponentially weighted moving average.         |
| [`RollingExp.sum`](../generated/xarray.computation.rolling_exp.RollingExp.sum.html.md#xarray.computation.rolling_exp.RollingExp.sum)([keep_attrs])               | Exponentially weighted moving sum.             |