subset_wuse: subset_wuse
In USGS-R/wateRuse: wateRuse data analysis functions

Description Usage Arguments Value Examples

returns subset of WUSE data elements for plotting based on county state codes

1	subset_wuse(w.use, data.elements, area.column, areas = NA)

`w.use`	dataframe, the water use data
`data.elements`	chr, vector of data elements to be plotted (1 plot per element)
`area.column`	character that defines which column to use to specify area
`areas`	chr, codes for state-county ('NA' uses all areas)

w.use.sub dataframe, a subset of water use data from user specifications

w.use <- wUseSample
data.elements <- c("PS.TOPop", "PS.SWPop")
areas <- "10" # NA uses all areas
area.column <- "STATECODE"

w.use.sub <- subset_wuse(w.use, data.elements,area.column,areas)