Quality

quality.bsrn_limits(solar_zenith, dni_extra, ...)	Calculate the BSRN upper and/or lower irradiance limit values.
quality.bsrn_limits_flag(irradiance, ...[, ...])	Flag irradiance values that fall outside the BSRN quality control limits.
quality.diffuse_fraction_flag(ghi, dhi, ...)	Flag measurements where the diffuse fraction exceeds physically plausible limits.
quality.closure_flag(ghi, dni, dhi, ...[, ...])	Flag measurements where the three-component closure ratio exceeds plausible limits.