pub fn ffa() -> Result<DataFrame, PolarsError>Expand description
§Free Fatty Acid Data
§Description:
The response variable is level of free fatty acid in a sample of prepubescent boys. The explanatory variables are age (in months), weight (in lbs), and skin fold thickness.
§Usage:
data(ffa)
§Format:
A data frame with 41 rows and 4 columns.
- ‘age’ age in years
- ‘weight’ weight in lbs
- ‘skin’ skin fold thinkness
- ‘ffa’ free fatty acid
§Source:
Morrison, D.F. (1983), Applied Linear Statistical Models, Englewood Cliffs, NJ:Prentice Hall.
§References:
Hettmansperger, T.P. and McKean J.W. (2011), Robust Nonparametric Statistical Methods, 2nd ed., New York: Chapman-Hall.
§Examples:
data(ffa)
summary(rfit(ffa~age+weight+skin,data=ffa)) #using the default (Wilcoxon scores)
summary(rfit(ffa~age+weight+skin,data=ffa,scores=bentscores1))