biometrics (version 1.0.1)

popvol: Population of stand-volume for 400 elements.

Description

A list of elements containing stand-volume (in m\(^{3}\)/ha) values measured in sample plots. Thus, the population size is 400, and the random variable is forest volume. The values were digitized from the book of Zohrer (1980).

Usage

data(popvol)

Format

Contains two variables, as follows:

id

Plot number, or ID.

vol

Stand volume, in m\(^{3}\)/ha

References

- Zohrer F. 1980. Forstinventur. Ein Leitfaden fur Studium und Praxis. Pareys Studientexte Nr. 26. Parey. Berlin, Germany. 207

Examples

data(popvol)    
sum(popvol$vol) 
mean(popvol$vol) 
hist(popvol$vol)