I don't use these functions often enough to know their idiosyncrasies, but they
appear to treat zero like a NA, and your second file has lots of zeros. I
suspect this is due to the default way the continuous act data are 'cut"
excluding the left side of the bins. If you read the help files you may find a
way to change this or you could cut it to a factor yourself and give the factor
to be plotted instead of the continuous variable.
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Sent from my phone. Please excuse my brevity.
On October 23, 2014 11:45:54 AM PDT, zuzana zajkova <zuzu...@gmail.com> wrote:
>Dear list,
>
>I would like to make heatmaps from my data. Acctualy, I have already
>done
>it, but the issue it that is doesn't work well for all files.
>
>All files have the same structure, after importing them I do few
>calculations using the same script, to obtain variables for plotting.
>
>You can find the files here, the pb2166 is the one which works fine and
>I
>get normal (expected) heatmap plot, the pb2214 it the other type, for
>which
>I obtain strange horizontal lines...
>
>https://www.dropbox.com/s/rz2ywnloepvr3d8/pb2166.csv?dl=0
>https://www.dropbox.com/s/42taaybtbortv0p/pb2214.csv?dl=0
>
>The structure of data is this (the same, from my point of view...):
>
>str(pb2166)
>'data.frame': 55119 obs. of 3 variables:
> $ dtime: num 17.9 18.1 18.3 18.4 18.6 ...
> $ act : int 9 1 0 0 0 0 0 0 0 0 ...
> $ jul : num 13573 13573 13573 13573 13573 ...
>
>str(pb2214)
>'data.frame': 44707 obs. of 3 variables:
> $ dtime: num 17.9 18.1 18.2 18.4 18.6 ...
> $ act : int 9 1 0 0 0 0 0 0 0 0 ...
> $ jul : num 13573 13573 13573 13573 13573 ...
>
>
>To create a heatmap I tried ggplot/qlot and levelplot aswell, the
>results
>are the same... for pb2166 works ok, for pb2214 doesn't...
>
>qplot(jul, dtime, data=pb2166, geom="tile", fill=act) +
>scale_fill_gradient(low="gold", high="green4")
>levelplot(act ~ jul * dtime, pb2166 )
>
>qplot(jul, dtime, data=pb2214, geom="tile", fill=act) +
>scale_fill_gradient(low="gold", high="green4")
>levelplot(act ~ jul * dtime, pb2214 )
>
>I would be very thankful if somebody could take a look on the data and
>find
>something what I am missing.
>
>Kind regards,
>
>Zuzana
>
> [[alternative HTML version deleted]]
>
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>and provide commented, minimal, self-contained, reproducible code.
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