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binnor – Footrot scores on lambs


binnor: Incidence of two footshape classes on 2513 lambs.



To load the file into ASReml-R and view the contents use the commands:

A data frame with 10 columns and 2513 rows:
record An integer vector of record numbers
year Cross year, an integer vector with values 1 and 2
Grp A factor with 5 levels
Sex A factor with 2 levels
Sire A factor with 18 levels
score4 Incidence of footshape class 1
score5 Incidence of footshape class 2
scald Incidence of scald disease
rot Incidence of rot disease
norm A random normal variate

The feet of 2513 lambs born in 1980 and 1981 from 5 mating groups were scored in two footshape classes: 1) all four feet are normal, and 2) one foot is deformed. Two indicator variables were also recorded for the presence of the disease conditions scald and rot.


Gilmour AR, Anderson RD and Rae AL (1985). “The Analysis of Binomial Data by a Generalized Linear Mixed Model.” Biometrika, 72, pp. 593-599

Updated on January 24, 2019

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