ClimInd (version 0.1-2)

wki: Winkler index

Description

Sum of degree days over 10 celsius of TG from April 1 until October 31

Usage

wki(data, data_names = NULL, na.rm = FALSE, ...)

Arguments

data

medium temperature

data_names

names of each period of time

na.rm

logical. Should missing values (including NaN) be removed?

...

...

Value

Winkler index

References

Winkler, A.J., J.A. Cook, W.M. Kliewer, and L.A. Lider. 1974. General Viticulture. 4th ed. University of California Press, Berkeley.

Examples

# NOT RUN {
data(data_all)
wki(data = data_all$tg)
# }