| Sieve-package | Nonparametric Estimation by the Method of Sieves |
| GenSamples | Generate some simulation/testing samples with nonlinear truth. |
| Sieve | Nonparametric Estimation by the Method of Sieves |
| sieve_predict | Predict the outcome of interest for new samples |
| sieve_preprocess | Preprocess the original data for sieve estimation. |
| sieve_solver | Calculate the coefficients for the basis functions |