Research Article
Nonparametric Regression Model for Longitudinal Data with Mixed Truncated Spline and Fourier Series
Table 2
Summary of simulation results.
| Knots | Oscillation | | GCV |
| 1 | 1 | 0.033 | 3.112 | 2 | 1.715 | 3.142 | 3 | 0.967 | 3.116 | 2 | 1 | 0.033 | 3.197 | 2 | 1.800 | 3.209 | 3 | 0.950 | 3.158 | 3 | 1 | 0.001 | 3.452 | 2 | 0.100 | 3.471 | 3 | 0.001 | 3.441 |
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