cdf_R# jeanspy.model.ProjectedExponentialModel.cdf_R Class and construction: ProjectedExponentialModel. ProjectedExponentialModel.cdf_R(R_pc)[source]# Evaluate projected probability inside a circular radius. Notes Inputs and units. R_pc is a scalar or NumPy array of projected radii in pc. Returns and shape. Dimensionless cumulative probability with input radius shape.