| SPEM-package | S-system parameter estimation method package |
| row_optimize | Calculate parameters for one row |
| row_optimize-method | Calculate parameters for one row |
| sos | SOS pathway time series data |
| SPEM | S-system parameter estimation method |
| SPEM-method | S-system parameter estimation method |
| s_diff | Calculate slopes from time points and time series matrix. |
| s_diff-method | Calculate slopes from time points and time series matrix. |