nwos_stratum_area: NWOS Stratum Area

In familyforestresearchcenter/nwos: An R Package for Working with USDA Forest Service, National Woodland Owner Survey Data

NWOS Stratum Area

Description

This function estimates NWOS stratum areas.

Usage

nwos_stratum_area(stratum, point.count, state.area)

Arguments

stratum	vector indicating inclusion (1) and exclusion (0) in the stratum of interest. NA's are allowed.
point.count	vector of the number of sample points associated with each observation. Default is point.count = 1.
state.area	total land area in the state of interest.

Value

Area (of forestland) in the stratum.

References

Butler, B.J. In review. Weighting for the US Forest Service, National Woodland Owner Survey. U.S. Department of Agriculture, Forest Service, Northern Research Station. Newotwn Square, PA.

Examples

wi <- tbl_df(read.csv("data/wi.csv")) %>% mutate(ROW_NAME = row.names(wi), AC_WOOD = ACRES_FOREST, FFO = if_else(LAND_USE == 1 & OWN_CD == 45 & AC_WOOD >= 1, 1, 0))
WI_FFO_AREA <- nwos_stratum_area(stratum = wi$FFO, point.count = wi$POINT_COUNT, state.area = 33898733)
WI_FFO_AREA

familyforestresearchcenter/nwos documentation built on April 12, 2025, 11:54 a.m.