Simon, Morgan,

I have the latest version of Rattle, 2.5.30, correctly installed, I think, and running on R version 2.11.0 Patched (2010-05-01 r51879) under OS X 10.5.8. I have the same problem as you, Morgan, i.e., the Gtk warning "Unable to find default local directory monitor type". Here is a run that provokes the message:

R version 2.11.0 Patched (2010-05-01 r51879)
Copyright (C) 2010 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

  Natural language support but running in an English locale

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

[R.app GUI 1.34 (5584) i386-apple-darwin9.8.0]

[Workspace restored from /Users/richard/.RData]

> library(rattle)
Loading required package: pmml
Loading required package: XML
Rattle: Graphical interface for data mining using R.
Version 2.5.30 Copyright (c) 2006-2010 Togaware Pty Ltd.
Type 'rattle()' to shake, rattle, and roll your data.
> rattle()

(R:2547): Gtk-WARNING **: Unable to find default local directory monitor type

The rattle() function seems to start X11. This takes some time. When the X11 console finally appears, ensure that Data is the active tab and Source is set to Spreadsheet. Click the Filename button. On my installation that is sufficient to cause the warning. Is that your experience, Morgan? It might be necessary to begin browsing in the Select A File dialog. In that case, select All Files in the file type dropdown, navigate to, say, a tab-separated file, and click Open. I enclose such a file for your convenience.

Regards,
Richard

predictor       category
22      a
32      b
10      c



Richard R. Liu
Dittingerstr. 33
CH-4053 Basel
Switzerland

Tel.:  +41 61 331 10 47
Mobil: +41 79 708 67 66
Email:  richard....@pueo-owl.ch



On May 4, 2010, at 18:03 , r-sig-mac-requ...@stat.math.ethz.ch wrote:

R2.11 Rattle & Co

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