       I get inconsistent results from "[.data.frame".  I've so far been 
unable to create a simple, replicable example nor a workaround.  With 
debug, I traced the problem to "rows <- rows[i]", line 131 in 
"[.data.frame":  In this example, rows = 1:45, and rows[1:3] = 1:3, as 
we expect.  However with i = 1:3, rows[i] = c(1, 2, 2):


Browse[4]> rows[1:3]
[1] 1 2 3
Browse[4]>i
[1] 1 2 3
Browse[4]>rows[i]
[1] 1 2 2



       Absent better suggestions, I currently plan to try to simplify my 
example as much as I can while retaining the error. Unfortunately, the 
search path includes 19 packages (see below), so I expect this not to be 
easy.  Other suggestions would be welcomed.


       Thanks,
       Spencer


R version 3.1.0 (2014-04-10)
Platform: x86_64-w64-mingw32/x64 (64-bit)

locale:
[1] LC_COLLATE=English_United States.1252  LC_CTYPE=English_United 
States.1252
[3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C
[5] LC_TIME=English_United States.1252

attached base packages:
[1] grid      stats     graphics  grDevices utils     datasets methods   
base

other attached packages:
[1] gridBase_0.4-7 raster_2.2-31  sp_1.0-15      mapdata_2.2-3 maps_2.3-7
[6] Ecfun_0.1-1    sos_1.3-8      brew_1.0-6

loaded via a namespace (and not attached):
[1] lattice_0.20-29 tools_3.1.0


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