Trouble installing ggplot

[Mark_Ravina]

Apologies for the newbie question, but I get an error message for all
ggplot objects such as "Error: could not find function
"geom_histogram" Basic R is fine

I've run "install.packages("ggplot2")," and
"install.packages('ggplot2', dep = TRUE)", and selected different CRAN
mirrors, but I still can't find the functions.

I'm running R 2.12.1 GUI 1.35 Leopard build 32-bit (5665) under OSX
10.6.6

Thanks

[Joshua Wiley]

Hi Mark,

After installing ggplot2, did you load the package? Typically this is
required each time you start a new R session:

require(ggplot2) # loads package
geom_histogram # show histogram function

If you did load the package (either using require() or
library()---they are basically equivalent), then it might help us if
you report the output of:

sessionInfo()

Cheers,

Josh

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Joshua Wiley
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University of California, Los Angeles
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[Brandon Hurr]

Are you loading the packages before trying to use them. 

For example if I start up a fresh R session... 

R version 2.12.0 (2010-10-15)

Copyright (C) 2010 The R Foundation for Statistical Computing

ISBN 3-900051-07-0

Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)

[SNIP]

[R.app GUI 1.35 (5632) x86_64-apple-darwin9.8.0]

> qplot(1:10, 1:10)

Error: could not find function "qplot"

> 

But if I load them first... 

> library(ggplot2)

Loading required package: reshape

Loading required package: plyr

Attaching package: 'reshape'

The following object(s) are masked from 'package:plyr':

    round_any

Loading required package: grid

Loading required package: proto

> qplot(1:10, 1:10)

> 

I get a simple graph. 

If it's not quite that newbie, if you go into your Packages & Data, Package Installer: 

CRAN Binaries, Get List, then scroll down to ggplot2 and see if it's installed correctly. 

Brandon

[Ista Zahn]

Did you load it?

library(ggplot2)

Best,
Ista

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--
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org