This function takes a given aquatic (egg, larval, pupal) stage and sums over the genotypes, returning summary trajectories by Erlang-distributed stage.
base_aquatic_stage(out, spn_P, elp)
the output of
the places of the SPN, see details
stage to summarize, one of: "egg", "larvae", "pupae"
a 3 to 5 column dataframe for plotting with ggplot2
The return object depends on the data provided. If the simulation was only 1 node,
node designation is returned. If only one repetition was performed,
rep designation is returned. Columns always returned include: