iron: Iron Content in Food

In AICcmodavg: Model Selection and Multimodel Inference Based on (Q)AIC(c)

Iron Content in Food

Description

This data set, originally from Adish et al. (1999), describes the iron content of food cooked in different pot types.

Usage

data(iron)

Format

A data frame with 36 rows and 3 variables.

Pot

pot type, one of "aluminium", "clay", or "iron".

Food

food type, one of "legumes", "meat", or "vegetables".

Iron

iron content measured in mg/100 g of food.

Details

Heiberger and Holland (2004, p. 378) use these data as an exercise on two-way ANOVA with interaction.

Source

Heiberger, R. M., Holland, B. (2004) Statistical Analysis and Data Display: an intermediate course with examples in S-Plus, R, and SAS. Springer: New York.

Adish, A. A., Esrey, S. A., Gyorkos, T. W., Jean-Baptiste, J., Rojhani, A. (1999) Effect of consumption of food cooked in iron pots on iron status and growth of young children: a randomised trial. The Lancet 353, 712–716.

Examples

data(iron)
str(iron)

AICcmodavg documentation built on Nov. 17, 2023, 1:08 a.m.