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Freeze drying

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Keywords:

Categories:

yeast; cryobiology

biology;
designed experiments; regression

Description:

The data record the percentage of treated biological material remaining after freeze drying under certain conditions.

There are nine observations on three variables.

Variables:

`Material`	The percentage of biological material remaining
`Glycerine`	The amount of glycerine used (in percent)
`Speed`	The speed of freeze drying (in degrees celcius per minute)

Data Quality:

There are no missing values.

Source:

Obtained from Atkinson A C and Donev AN (1992). Optimum Experimental Designs. Clarendon Press, Oxford (p 34).

Notes:

References:

Savova I, Donev TN, Tepavicharova I and Alexandrova T (1989). Comparative studies on the storage of freeze-dried yeast strains on the genus Saccharomyces. In Proceedings of the 4th International School on Cryobiology and Freeze-drying, 29 July–6 August 1989, Borovets, Bulgaria, p32–33. Bulgarian Academy of Sciences Press, Sofia.