metals: Well water data
In qgcomp: Quantile G-Computation

metals

R Documentation

Well water data

Description

Simulated well water measurements in North Carolina: 16 metals, 6 water chemistry measures, and 2 health outcomes (y = continuous; disease_state = binary/time-to-event in combination with disease_time)

A dataset containing well water measurements and health outcomes for 253 individuals. All continuous variables are standardized to have mean 0, standard deviation 1.

Usage

data(metals)

Format

A data frame with 253 rows and 24 variables:

y: continuous birth outcome
disease_state: binary outcome
disease_time: time-to-disease_state: survival outcome censored at approximately the median
arsenic: metal
barium: metal
cadmium: metal
calcium: metal
chloride: metal
chromium: metal
copper: metal
iron: metal
lead: metal
magnesium: metal
manganese: metal
mercury: metal
selenium: metal
silver: metal
sodium: metal
zinc: metal
mage35: Binary covariate: maternal age > 35
nitrate: water chemistry measure
nitrite: water chemistry measure
sulfate: water chemistry measure
ph: water chemistry measure
total_alkalinity: water chemistry measure
total_hardness: water chemistry measure