temp.wind {NPCirc} | R Documentation |
These data, analyzed by Oliveira et al. (2013), consists of observations of temperature and wind direction during the austral summer season 2008-2009 (from November 2008 to March 2009) in Vinciguerra (Tierra del Fuego, Argentina).
data(temp.wind)
A data frame with 3648 observations on four variables: Date
, Time
, Temperature
(in degrees Celsius) and Direction
(in degrees).
Data contains NAs.
The authors want to acknowledge Prof. Augusto Pérez–Alberti for providing the data, collected within the Project POL2006-09071 from the Spanish Ministry of Education and Science.
Oliveira, M., Crujeiras R.M. and Rodríguez–Casal, A. (2013) Nonparametric circular methods for exploring environmental data. Environmental and Ecological Statistics, 20, 1–17.
data(temp.wind)
winddir <- temp.wind[,4]
temp <- temp.wind[,3]
nas <- which(is.na(winddir))
winddir <- circular(winddir[-nas], units="degrees")
temp <- temp[-nas]
est <- kern.reg.circ.lin(winddir, temp, t=NULL, bw=3.41, method="LL")
plot(est, plot.type="line", xlab="wind direction", ylab="temperature")
plot(est, plot.type="circle", points.plot=TRUE)