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8.2.45.30 octave.dataset.infert

Static Method: out = infert ()

Infertility after Spontaneous and Induced Abortion

Description

This is a matched case-control study dating from before the availability of conditional logistic regression.

Format

education

Index of the record.

age

Age in years of case.

parity

Count.

induced

Number of prior induced abortions, grouped into “0”, “1”, or “2 or more”.

case_status

0 = control, 1 = case.

spontaneous

Number of prior spontaneous abortions, grouped into “0”, “1”, or “2 or more”.

stratum

Matched set number.

pooled_stratum

Stratum number.

Note

One case with two prior spontaneous abortions and two prior induced abortions is omitted.

Source

Trichopoulos et al (1976). Br. J. of Obst. and Gynaec. 83, 645–650.

Examples

t = octave.dataset.infert;

# TODO: Port glm() (generalized linear model) stuff to Octave