Hello all,

I  am trying to use "clim.pact" package for my work, but since this is the  
beginning for me to use gridded datasets in "R", I am having some  trouble. 

I want to do seasonal analyses like  trends, anomalies, variograms, EOF and 
probably kriging too to  downscale my 1 degree gridded data to 0.5.  So, as a 
first step, I  compiled my entire dataset (with 25 yeears of daily dataset 
which were  present as 25 files) into a single netcdf file. 

Then, I downloaded clim.pact to do further analysis, which works but seems  to 
change dataset's original dimensions' order for  "retrieve.nc"  function (i.e. 
original lon, lat, time order was changed  to time, lat,  lon after using this 
function to get a subset). I am not  sure as to why  this happened and not able 
to get any plots such as box  plot (showing  trend in "lon", "lat", "time"), 
variogram (or variance),  correlation  analysis done because of this conversion 
problem. 

Further, basic "R"  functions seem to work well with objects such as  
dataframe, matrix ..etc  with time in a separate column, and the data  values 
(precipitation, or  temperature) in a separate coulmn with  corresponding 
station values  (lon/lat). So, now I have very little idea  about what I have 
to do. 

Can anyone suggest me a better (probably  more refined way) way than what I am 
currently doing to analyze these  data? 

-- 
Regards,
Mahalakshmi
Graduate Student
#20, Department of Geography
Michigan State University
East Lansing, MI 48824
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