nwos_stratum_area: NWOS Stratum Area

In bbutler01/nwos: NWOS Weights and Estimates

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

bbutler01/nwos documentation built on Aug. 30, 2019, 12:57 p.m.