+----------+-------------------+
| Rubber   | R Documentation   |
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Accelerated Testing of Tyre Rubber
----------------------------------

Description
~~~~~~~~~~~

Data frame from accelerated testing of tyre rubber.

Usage
~~~~~

::

    Rubber

Format
~~~~~~

``loss``
    the abrasion loss in gm/hr.

``hard``
    the hardness in Shore units.

``tens``
    tensile strength in kg/sq m.

Source
~~~~~~

O.L. Davies (1947) *Statistical Methods in Research and Production.*
Oliver and Boyd, Table 6.1 p. 119.

O.L. Davies and P.L. Goldsmith (1972) *Statistical Methods in Research
and Production.* 4th edition, Longmans, Table 8.1 p. 239.

References
~~~~~~~~~~

Venables, W. N. and Ripley, B. D. (1999) *Modern Applied Statistics with
S-PLUS.* Third Edition. Springer.
