birthweight: Birth weight data

In funcml: Functional Machine Learning Framework

Birth weight data

Description

A regression-oriented birth weight dataset with maternal risk factors and a derived low-birth-weight indicator.

Usage

birthweight

Format

A data frame with 189 rows and 10 variables:

age

Maternal age in years.

lwt

Maternal weight at the last menstrual period.

race

Maternal race code.

smoke

Smoking status indicator.

ptl

Number of previous premature labors.

ht

History of hypertension indicator.

ui

Presence of uterine irritability indicator.

ftv

Number of physician visits in the first trimester.

birth_weight_g

Birth weight in grams.

low_birth_weight

Low-birth-weight outcome indicator.

Source

Hosmer DW, Lemeshow S (1989). Applied Logistic Regression. Wiley. The packaged data are a lightly renamed version of the classic MASS::birthwt dataset.

Examples

str(funcml::birthweight)
summary(funcml::birthweight$birth_weight_g)

funcml documentation built on Aug. 22, 2026, 5:08 p.m.