Data set extracted from the Careers of doctorate holders survey carried out by Spanish Statistical Office in 2008.
The sample data, as part of a large survey, corresponds to 100 people who have the PhD degree and it shows the level of satisfaction of the doctorate holders about some issues.
data(Doctors)
This data frame contains 100 observation for the following 5 ordinal variables, with four categories each: (1= "Very Satisfied", 2= "Somewhat Satisfied",3="Somewhat dissatisfied", 4="Very dissatisfied")
Spanish Statistical Institute. Survey of PDH holders, 2006. URL: http://www.ine.es.
data(Doctors) ## maybe str(Doctors) ; plot(Doctors) ...
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