#### 8.2.57.30 tblish.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 = tblish.dataset.infert;

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