On Thu, Feb 18, 2010 at 9:35 AM, zahra sheikhbahaee
<sheikhbah...@gmail.com> wrote:
> Hi,
>
> I need to use ggplot2 package for plotting my results. I could use it when I
> just work with R but when I import it in my python program, I  got this
> message:
>>>> import rpy2.robjects.lib.ggplot2 as ggplot2
> Loading required package: ggplot2
> Loading required package: proto
> Loading required package: grid
> Loading required package: reshape
> Loading required package: digest
> Error in eval(expr, envir, enclos) : could not find function "proto"
> In addition: Warning messages:
> 1: In library(package, lib.loc = lib.loc, character.only = TRUE,
> logical.return = TRUE,  :
>   there is no package called 'proto'
> 2: In library(package, lib.loc = lib.loc, character.only = TRUE,
> logical.return = TRUE,  :
>   there is no package called 'reshape'
> 3: In library(package, lib.loc = lib.loc, character.only = TRUE,
> logical.return = TRUE,  :
>   there is no package called 'digest'
> Error : unable to load R code in package 'ggplot2'
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File
> "/usr/local/lib/python2.6/dist-packages/rpy2/robjects/lib/ggplot2.py", line
> 10, in <module>
>     ggplot2 = importr('ggplot2')
>   File "/usr/local/lib/python2.6/dist-packages/rpy2/robjects/packages.py",
> line 82, in importr
>     raise LibraryError("The R package %s could not be imported" %name)
> rpy2.robjects.packages.LibraryError: The R package ggplot2 could not be
> imported
>
> How could I manage to solve the problem?

Looks like you'll need to install the proto, digest, and reshape packages?

Sean

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