metals: Well water data

Description Usage Format

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

1

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


qgcomp documentation built on Jan. 24, 2022, 5:08 p.m.