| dyn | Quantification of population dynamics |
| goodness | Model quality assessment. |
| lifetable | Generte the static life table to analyze the population dynamic changes. |
| Mpre | Time sequence prediction for the population dynamic changes. |
| Npop | Data for forest population number of within different age class. |
| Ntable | Organize the data into a data format suitable for population structure analysis. |
| psdfun | Regression analysis for survival curves. |