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8.2.45.82 octave.dataset.warpbreaks

Static Method: out = warpbreaks ()

The Number of Breaks in Yarn during Weaving

Description

This data set gives the number of warp breaks per loom, where a loom corresponds to a fixed length of yarn.

Format

wool

Type of wool (A or B).

tension

The level of tension (L, M, H).

breaks

Number of breaks.

There are measurements on 9 looms for each of the six types of warp (AL, AM, AH, BL, BM, BH).

Source

Tippett, L. H. C. (1950). Technological Applications of Statistics. New York: Wiley. Page 106.

References

Tukey, J. W. (1977). Exploratory Data Analysis. Reading, Mass: Addison-Wesley.

McNeil, D. R. (1977). Interactive Data Analysis. New York: Wiley.

Examples

t = octave.dataset.warpbreaks;

summary (t)

# TODO: Port the plotting code and OPAR to Octave