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 seriesobs (
xarray DataArray) – observations time seriesdim (
str, optional) – name of time dimension in sim and obs (the default is ‘time’)
- Returns:
percentual bias
- Return type:
xarray DataArray