On Wed, May 1, 2013 at 3:05 PM, Enzo Cocca <enzo....@gmail.com> wrote:
> Hello every body,
> I am using rpy2_2.0.8 with postgres and Qgis.
> The code that I wrote is the following:
>
> def on_calcola_pressed (self):
> # bottone per calcoli statistici
> import rpy2
> import rpy2.robjects as robjects
> import rpy2.robjects as ro
Redundant no?
>
> r = robjects.r
> robjects.r
Why?
> r.library("RPostgreSQL")
> r.library("gstat")
> r.library("zoo")
> rcmd_drv = r["dbDriver"]
> rcmd_con = r["dbConnect"]
> rcmd = r["dbListTables"]
> rcmd_archezoology_table = r["dbReadTable"]
> png = r.png
> drv = rcmd_drv("PostgreSQL")
> con = rcmd_con(drv, host="127.0.0.1", dbname="pyarchinit",
> port="5432", password="enzo", user="postgres")
> archezoology_table =
> rcmd_archezoology_table(con,"archeozoology_table")
>
> r.png(file="/home/enzo/Scrivania/prova.png",width=512,height=512)
> plot = r.plot
> zoo = r.zoo
> ('VGM_PARAM_A3 <- gstat(id="bos_bison",
> formula=combusto~1,locations=~coord_x+coord_y, data=archezoology_table,
> nmax = 10) VGM_PARAM_A3 <- gstat(VGM_PARAM_A3, "calcinati", strie~1,
> locations=~coord_x+coord_y, archezoology_table, nmax = 10)VGM_PARAM_A3 <-
> gstat(VGM_PARAM_A3, "camoscio", cervo~1,
> locations=~coord_x+coord_y,archezoology_table, nmax = 10) VGM_PARAM_A3 <-
> gstat(VGM_PARAM_A3, model=vgm(1, "Sph", 5, 0), fill.all=TRUE ESV_A3 <-
> variogram(VGM_PARAM_A3, cutoff=9) VARMODEL_A3 = fit.lmc(ESV_A3,
> VGM_PARAM_A3)')
> plot(zoo('ESV_A3, model = VARMODEL_A3,xlab=,ylab=,pch=20,
> cex=0.7, col="red",main="Linear Model of Coregionalization for A3
> variables"'))
As this appeared in my mailer, it's not valid python or R; perhaps you
could try resending not in HTML? It's rather dificult to debug as is.
Even better would be to see if you can get it working solely within R
-- post that code -- and then work on translating into rpy2.
Cheers,
MW
>
>
> The error is the following:
>
> res = super(RFunction, self).__call__(*new_args, **new_kwargs)
> RRuntimeError: Error in plot.window(...) : invalid 'ylim' value
>
>
>
> Do you have a suggestion or examples about how to call a function with the
> gistat module on a postgress tab using rpy2?
>
> Thank you,
>
> Enzo
>
> --
> Enzo Cocca (PhD Candidate)
> Research Fellow
> Università di Napoli "L'Orientale"
> mail: enzo....@gmail.com
> cell: +393495087014
>
> [[alternative HTML version deleted]]
>
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
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