All functions 


Age vs. height for private and rural school children 

3point summary plot 

Ladder of powers transformation on bivariate data with threepoint summary plot 

Create boxplots equalized by level and spread 

Least Squares regression plot (with optional LOESS fit) 

Tukey's letter value summaries 

Reexpression function 

Tukey's resistant line 

Tukey's spreadlevel function 


Trims vector and dataframe objects 
Ladder of powers transformation on a single vector 

Breast cancer mortality vs. temperature 

Andrew Siegel's pathological 9point dataset 

Tukey inspired exploratory data analysis functions 