deriv: Data derivation lookup.

In hadley/usdanutrients: USDA nutrient data (release SR26)

Description

This file (Table 11) provides information on how the nutrient values were determined. The file contains the derivation codes and their descriptions deriv.

Usage

deriv

Format

A data frame with 55 observations and 2 variables:

deriv_id

Unique identifer for deriv.

deriv

Text description.

Examples

deriv

if (require("dplyr")) {
nutrient %>%
  select(nutr_id, deriv_id) %>%
  left_join(deriv)
}

hadley/usdanutrients documentation built on May 17, 2019, 1:31 p.m.