| metals {qgcomp} | 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