How the effort denominator thins with resolution: per resolution, the number of effort cells, the median effort count, the fraction of effort cells below each reliability floor, and the fraction of effort cells where the target was seen at all.
Usage
calc_spue_scale(
con,
num_aphiaid,
den_aphiaid,
res = 1:7,
floors = c(10L, 30L, 100L),
group = NULL
)Arguments
- con
connection from
obis_store_connect().- num_aphiaid, den_aphiaid
target / effort AphiaID(s); see
obis_spue_sql().- res
resolutions (default 1:7).
- floors
effort-count floors (default 10, 30, 100).
- group
optional label carried in a
groupcolumn.