Extract the number of individuals in each stage from a dataframe of transitions.
get_state_vector(transitions, stage = NULL, sort = NULL)
| transitions | a dataframe of observations of individuals in different stages |
|---|---|
| stage | the name of the variable with the stage information |
| sort | a vector of stage names in the desired order. Default is the order of levels in stage. |
a vector of the counts of observations in each level of stage.