GROUP_ID_IQ_DATA = r"$I(q)$" IQ_DATA_LABEL = r"$I_{obs}(q) - Bg$" IQ_EXTRAPOLATED_DATA_LABEL = r"$I_{extrap}(q)$" GROUP_ID_TRANSFORM = r"$\Gamma(x)$" TRANSFORM_LABEL = r"$\Gamma(x)$"