© Nigel Dennis
Sample size and sample units
A numeric value on its own is not always that helpful for defining a sample size. For example, a measurement type such as 'Litter Size' might have a sample size referring to the number of litters recorded, or the number of females giving birth to litters. For a measurement type such as 'Population Density' a sample size may refer to number of individuals, number of encounters or total length of transects covered etc. To try and remove some of the ambiguity the miner should enter a numeric value in the sample size field and the most appropriate description of the unit of sample size from the sample size unit drop-down. For some measurement types such as 'Body Mass', there is no unit field, because the sample size will generally always be assumed to be number of individuals measured.
Generic Value Types
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