Stixbox Function

datas7 - Colon Cancer Data

Calling Sequence

x = datas7()

Description

Source:      Carmeron and Pauling(1978)

Taken From:  Rawlings (1988), Applied Regression Analysis, Wadsworth, 
       p. 83.

Dimension:   22 observations on 4 variables.

Description: A study of the effects of supplemental ascorbate, vitamin C
             on the treatment of colon cancer

Column    Description
  1       Sex(female=1, male=-1)
  2       Age
  3       Days(Number of days survival after date of untreatability)
  4       Control(Average number of days survival of ten control patients
          for each case)