Description Usage Format Source Examples
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).
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This data frame contains the following columns:
a numeric vector containing the coded information of the stations (length 11). The first three digits represent the country code; the next five digits, the station number; the last three digits, whether a station is a WMO staion or close to one.
a numeric vector containing the longitudes (in degrees) of the stations.
a numeric vector containing the latitudes (in degrees) of the stations.
a numeric vector containing the average temperature change from 1963-1967 to 1993-1997 for the stations.
The Global Historical Climatology Network (GHCN)
http://www.ncdc.noaa.gov/cgi-bin/res40.pl?page=ghcn.html
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Call:
smooth.sspline(lon = lon, lat = lat, y = avgd)
Sample Size n: 200
Order of Smooth: 2
Smoothing Par: 0
GCV Criteria: 0.6201889
Estimated Var: 0
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