plgraphics (version 1.2)

d.babysurvival: Survival of Premature Infants

Description

Survival of Premature Infants to be modeled using 5 potential explanatory variables.

Usage

data("d.babysurvival")
  data("d.babysurvGr")

Format

d.babysurvival: A data frame with 246 observations on the following 6 variables.

Survival

binary, 1 means the infant survived

Weight

birth weight [g]

Age

pregnancy in weeks

Apgar1

A score indication the fitness of the infant at birth, scores 0 to 9

Apgar5

alternative score

pH

blood pH

d.babysurvGr: Grouped data: Number of Infants that died and survived for each class of birth weight.

n

Number of infants in the weight class

Survival.0, Survivl.1

Number of infants that died and survived, respectively

Weight

birth weight

Examples

data(d.babysurvival)
summary(d.babysurvival)
rr <- glm(Survival~Weight+Age+Apgar1, data=d.babysurvival, family="binomial")
plregr(rr, xvar= ~Age+Apgar1)