sspline (version 0.1-4)

WTdiff: World Average Winter Temperature Change (1963-1967 Vs 1993-1997)

Description

The WTdiff data frame has 1391 rows and 4 columns. It contains the average temperature change from 1963-1967 to 1993-1997 for those stations having non-missing observations on the winter (Dec-Feb) for ten years (1963-1967 and 1993-1997).

source

The Global Historical Climatology Network (GHCN) http://www.ncdc.noaa.gov/cgi-bin/res40.pl?page=ghcn.html

Examples

data(WTdiff)

## Fit a smoothing spherical spline with part of the data
subdat <- WTdiff[sample(nrow(WTdiff), 200), 2:4]
attach(subdat)

smooth.sspline(lon, lat, avgd)

detach(subdat)