The Number of Breaks in Yarn during Weaving
This data set gives the number of warp breaks per loom, where a loom corresponds to a fixed length of yarn.
Type of wool (A or B).
The level of tension (L, M, H).
Number of breaks.
There are measurements on 9 looms for each of the six types of warp (AL, AM, AH, BL, BM, BH).
Tippett, L. H. C. (1950). Technological Applications of Statistics. New York: Wiley. Page 106.
Tukey, J. W. (1977). Exploratory Data Analysis. Reading, Mass: Addison-Wesley.
McNeil, D. R. (1977). Interactive Data Analysis. New York: Wiley.
t = octave.dataset.warpbreaks; summary (t) # TODO: Port the plotting code and OPAR to Octave