Description Usage Arguments Value
Filter raw BBS counts by species, add 0 counts, and latitude/longitude
1 2 3 4 |
alpha |
4-letter alpha code for the species of interest |
common |
Common name for the species of interest |
start.year |
Optional start year (default is 1966) |
end.year |
Optional end year (default is most recent year of available BBS data) |
statenum |
Optional numeric vector containing the states of interest (see BBS website for code values) |
countrynum |
Optional numeric vector containing the countries of interest (840 = US, 124 = Canada, 484 = Mexico) |
strata |
Optional numeric vector containing the BBS strata of interest (see BBS website for code values) |
bcr |
Optional numeric vector containing the BCRs of interest (see BBS website for code values) |
occ |
Counts or presence/absence? (Default == presence/absence) |
lon |
Optional numeric vector containing maximum and minimum longitude of routes to keep |
bbs |
List containing the raw BBS counts, weather, and route info obtained from the function 'get_BBSn()' |
A .csv file containing the following fields:
routeID The unique 8 digit route ID for each route
Year The year that the count was conducted
aou The numeric code for the focal species
countN Total individuals of the focal species recorded at stop N (50-stop data) or N-9:N (10-stop data)
Latitude The latitude for the route
Longitude The longitude for the route
Stratum The BBS stratum for the route
BCR The Bird Conservation Region for the route
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