| inefficiency | Extract JLMS inefficiency estimates |
| print.spsc_sfa | Print SPSC-SFA results |
| ricephil | Philippine Rice Farm Data |
| smooth_coef | Extract smooth coefficients |
| spsc_sfa | Semiparametric Smooth-Coefficient Stochastic Frontier Analysis |
| summary.spsc_sfa | Summary method for SPSC-SFA |
| te | Extract technical-efficiency scores |