hydromt.stats.skills.percentual_bias#

hydromt.stats.skills.percentual_bias(sim, obs, dim='time')[source]#

Return the percentual bias between two time series.

\[\begin{split}PBias= 100 * \\frac{\\sum_{i=1}^{N}(sim_{i}-obs_{i})}{\\sum_{i=1}^{N}(obs_{i})}\end{split}\]

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