Hi all,

I am using Windows 7 and R Studio version 3.0.2 (2013-09-25).
I am relatively new to R and am trying to make a contour plot from a 3D
data grid.

I my data file has the following specifics:

[1] "file Data.nc has 3 dimensions:"
[1] "time   Size: 96"
[1] "lat   Size: 21"
[1] "lon   Size: 61"
[1] "------------------------"
[1] "file Data.nc has 2 variables:"
[1] "double U[time,lat,lon]  Longname:U Missval:1e+30"
[1] "double V[time,lat,lon]  Longname:V Missval:1e+30"

lat and lon includes latitude and longitude values from a certain region in
a 1°grid
time includes different months over 8 years

I would like to draw
1) a contourplot of the mean U (mean U of all times), at the different
locations (x=lon, y=lat)
2) a contourplot of U at the different locations (x=lon, y=lat) at
different times.

I have only made contourplots with 2D data (i.e. contour (lat,lon, z) and
am struggling a bit to find help.

Any suggestions are very much appreciated.
Cheers,

Lydia

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