nutrient: Get the sum of a single nutrient from a nutrition object

In tylerburleigh/nutritionR: A wrapper for the Nutritionix API (https://www.nutritionix.com), allowing nutritional analysis of foods and recipes expressed in natural language.

Description

Gets the sum of a single nutrient from a nutrition object. For example, gets the total calories or total fat. For a list of nutrients available, see 'data(nutrients)'.

Usage

nutrient(obj, nutrient)

Arguments

obj	The nutrition object – a list returned by the 'nutritionix_lookup()' function.
nutrient	The nutrient to extract from the nutrition object. Must be one of the nutrients in 'data(nutrients)', such as : "calories", "fat", "carbs", "fiber", "sugar", etc

Examples

## Not run: 

obj <- nutritionix_lookup("1 cheeseburger")
nutrition(obj, "calories")


## End(Not run)

tylerburleigh/nutritionR documentation built on Sept. 22, 2019, 7:21 p.m.