Bugs item #1623914, was opened at 2006-12-28 23:37
Message generated for change (Comment added) made by borgulya
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: G�bor BORGULYA (borgulya)
Assigned to: Nobody/Anonymous (nobody)
Summary: r.save fails while r("save...") works
Initial Comment:
I try to save a data.frame using R. The way I expected it to work does not
work. An other way does work though. As I see no explanation to this, I think
this is a bug.
Steps are detailed below:
1. GETTING THE DATA.FRAME
=========================
In [9]: d = r.read_DIF("spss_proba10_export.dif", header=True)
In [10]: r.class_(d).as_py(BASIC_CONVERSION)
Out[10]: 'data.frame'
2. THE SIMPLE SAVE COMMAND FAILS
================================
In [14]: r.save(d, file="spss_proba10_export.RData")
---------------------------------------------------------------------------
rpy.RException Traceback (most recent call last)
/home/gab/stat_munka/MJ/<console>
RException: Error in function (..., list = character(0), file = stop("'file'
must be specified"), :
symbol print-name too long
3. A WORKAROUND
===============
In [12]: r.assign('d', d)
Out[12]: <Robj object at 0xb7c7f210>
In [13]: r('save(d, file="spss_proba10_export.RData")')
Out[13]: <Robj object at 0xb7c7f240>
----------------------------------------------------------------------
>Comment By: G�bor BORGULYA (borgulya)
Date: 2006-12-29 00:13
Message:
Logged In: YES
user_id=131307
Originator: YES
I found the error string "symbol print-name too long" in
/trunk/rpy/src/R_eval.c line 158.
I suspect that R might try to build a name for the nameless object (the
Python representation of which is called d) and somehow it gets very long.
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