Fertility data

This dataset describes a sample of 100 volunteers providing a semen sample that was analyzed according to the WHO 2010 criteria.

Usage

fertility

A data frame containing 100 rows and 10 columns.

season: Season in which the analysis was performed. (winter, spring, summer, fall)
age: Age at the time of analysis
child.dis: Childish diseases (ie , chicken pox, measles, mumps, polio) (yes(1), no(0))
trauma: Accident or serious trauma (yes(1), no(0))
surgery: Surgical intervention (yes(1), no(0))
fevers: High fevers in the last year (less than three months ago(-1), more than three months ago (0), no. (1))
alcohol: Frequency of alcohol consumption (several times a day, every day, several times a week, once a week, hardly ever or never)
smoking: Smoking habit (never(-1), occasional (0)) daily (1))
sitting: Number of hours spent sitting per day
diagnosis: Criterion: Diagnosis normal (TRUE) vs. altered (FALSE) (88.0% vs.\ 22.0%).

Original contributors:

David Gil Lucentia Research Group Department of Computer Technology University of Alicante

Jose Luis Girela Department of Biotechnology University of Alicante

Sperm concentration are related to socio-demographic data, environmental factors, health status, and life habits.

We made the following enhancements to the original data for improved usability:

The criterion was redefined from a factor variable with two levels (N = Normal, O = Altered) into a logical variable (TRUE vs. FALSE).

Other than that, the data remains consistent with the original dataset.