In jsta/nlaR: Interface to the National Lakes Assessment

knitr::opts_chunk$set(
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nlaR

The goal of nlaR is to provide an R interface to the National Lakes Assessment data. At this point it serves either the 2007 or 2012 data (see examples below).

Installation

You can install nlaR from Github with:

# install.packages("devtools")
devtools::install_github("jsta/nlaR")

Usage

Load package

library(nlaR)

Retrieve data from EPA Website

Turn on automated data storage at the location returned by rappdirs::user_data_dir()

nla_get(2012, use_rappdirs = TRUE)

Load data from local machine

dt <- nla_load(2012)

View NLA tables

names(dt)
head(dt$phytocnt)

More Examples

See vignettes.

References

• National Lakes Assessment EPA page

• Water quality metadata

  • 2012

• Stoddard, J.L., Van Sickle, J., Herlihy, A.T., Brahney, J., Paulsen, S., Peck, D.V., Mitchell, R. and Pollard, A.I., 2016. Continental-scale increase in lake and stream phosphorus: Are oligotrophic systems disappearing in the United States?. Environmental Science & Technology, 50(7), pp.3409-3415. 10.1021/acs.est.5b05950

jsta/nlaR documentation built on March 23, 2023, 11:53 p.m.