Dataset: lipstick_sweetalmond.csv

Source: W.N. Hui, S. Tamburic, P. Grant-Ross (2017). "Mixture Design 'Pays Off'
to Optimize Wax/Oil Ratio in Lipstick," Cosmetics & Toiletries, Vol. 132,
#3, pp. 48-68.

Description: Mixture Experiment with sweet almond oil and 3 types of
wax: Ozokerite, Beeswax, and Candelilla Wax. Responses were Breaking Point(g)
and Softening Point (degrees C)
This data is from Table 1C. 

Variable names
ExpNum
X1   /* Proportion Ozokerite  */
X2   /* Proportion Beeswax  */
X3   /* Proportion Candelilla  */
Break
Soft