hydromt.stats.skills.percentual_bias

hydromt.stats.skills.percentual_bias(sim, obs, dim='time')

Returns the percentual bias between two time series.

$$PBias=100\ast \frac{\sum _{i=1}^N(si{m}_i-ob{s}_i)}{\sum _{i=1}^N(ob{s}_i)}$$

Parameters:

• sim (xarray DataArray) – simulations time series

• obs (xarray DataArray) – observations time series

• dim (str, optional) – name of time dimension in sim and obs (the default is ‘time’)

Returns:

percentual bias

Return type:

xarray DataArray