add_WHO_category: Add WHO thresholds

In PatrickEslick/CyAN: Interact with CyAN data

Description

Add columns indicating the WHO category for Cyanobacteria, Microcystin-LR, or Cholorophyll-a, if applicable

Usage

add_WHO_category(cyan_data)

Arguments

cyan_data

a data frame from get_cyan_data with collect = TRUE

Value

cyan_data with an additional column WHO_CATEGORY indicating whether this result is classified as Low, Moderate, High, or Very High based on WHO thresholds for the parameter

Examples

#' #Connect to the example database bundled with CyAN
path <- system.file("extdata", "example.db", package = "CyAN")
db_connection <- connect_cyan(path)

#Get all of the chlorophyll and chlorophyll-a data (parameter id P0051 & P0054)
#or the state of Kansas in the year 2016
ks_chl_2016 <- get_cyan_data(db_connection, collect = TRUE,
                             years = 2016,
                             parameters = c("P0051", "P0054"),
                             states = "KS")

#Add any applicable WHO categories
ks_chl_2016_wWHO <- add_WHO_category(ks_chl_2016)

PatrickEslick/CyAN documentation built on Oct. 2, 2019, 5:50 p.m.