[R] Fortune?

John Sorkin jsorkin at grecc.umaryland.edu
Wed Jan 1 03:37:45 CET 2014

Where did lost variables go, with example

Sent from my iPhone

> On Dec 31, 2013, at 7:36 PM, "David Parkhurst <parkhurs at imap.iu.edu>" <parkhurs at imap.iu.edu> wrote:
> Thank you.  I've tried what you're suggesting, at an earlier suggestion 
> from another respondent, and I don't find my variable in any of lists 
> ls() through ls(7).
> I'm just going back to using R after being away from statistics for 
> several years.  I'm thinking I might uninstall R, then reinstall it, and 
> redo my work so far (I've kept the commands elsewhere), and avoid using 
> "attach," as someone else has suggested.
> David
>> On 12/31/2013 11:32 AM, Duncan Murdoch wrote:
>>> On 13-12-31 9:48 AM, David Parkhurst wrote:
>>> Two or three respondents asked for an example of my problem.  Here's
>>> what's happening to me now.  I can't reproduce how I got to this point,
>>> though:
>>>> ls()
>>> [1] "All8"   "All8Sites"  "A"   "B"  "C"  "i"  "n"  "D"  "F"
>>>> X
>>> Error: object 'X' not found
>>>> attach(All8Sites)
>>>> ls()
>>> [1] "All8"  "All8Sites"  "A"  "B"  "C"  "i"  "n"  "D"  "F"
>>> "X" is one of the variables in the data frame I attached in the third
>>> command above, but it's not listed by >ls().  If I enter > X now, its
>>> values ARE listed, but it's hiding somewhere.  What is happening here?
>>> How can I get the variables in that data frame listed when I attach it?
>> Use search() to see the search list.  Your dataframe will likely be in 
>> position 2.  Use ls(2) to see the variables there.
>> Duncan Murdoch
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