sspline (version 0.1-3)

WT9397: World Average Winter Temperature from 1993-1997

Description

The WT9397 data frame has 1391 rows and 4 columns. It contains the average temperature from 1993 to 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(WT9397)

## Fit a smoothing spherical spline with part of the data
subdat <- WT9397[sample(nrow(WT9397), 200), 2:4]
attach(subdat)

smooth.sspline(lon, lat, avgt)

detach(subdat)