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296 Appendix A. CD Datasets

Duration Duration in minutes of the FHR tracing
Baseline Basal value of the FHR in beat/min
Acelnum Number of FHR accelerations
Acelrate Number of FHR accelerations per minute
AbSTV Percentage of time with abnormal short term variability
AverSTV Average duration of abnormal short term variability
AbLTV Percentage of time with abnormal long term variability
AverLTV Average duration of abnormal long term variability

Source: D Ayres de Campos, Faculty of Medicine, Oporto University.
Reference: SisPorto Multicentre Study, htt~://sisporto.med.uv.pt/.

A.9 Firms

The Firms.xls file contains values of the following economic indicators relative to
838 Portuguese firms, during the year 1995:

Branch l=Services; 2=Commerce; 3=Industry; 4=Construction
GI Gross Income (millions of Portuguese Escudos)
Cap Invested Capital (millions of Portuguese Escudos)
C A Capital+Assets
NI Net Income (millions of Portuguese Escudos) = GI minus wages
+taxes
NW Number of Workers
P Apparent Productivity=GI/NW
GIR Gross Income Revenue=NI/GI
CapR Capital Revenue=NI/Cap
A/C Assets share =(CA-Cap)/Cap %
Depr Depreciations + provisions

Source: "Jornal de Noticias" Supplement, November 1995.

A.10 Foetal Weight

The Foetal Weight.xls file contains echographic measurements obtained from 414
newborn babies, shortly before delivery, at four Portuguese Hospitals.
Obstetricians use such measurements in order to predict the foetal weight at birth.
The following measurements, all obtained under a strict protocol, are available:

MW Mother weight MH Mother height
GA Gestation age in weeks DBMB Days between meas, and birth
BPD Biparietal diameter CP Cephalic perimeter
AP Abdominal perimeter FL Femur length