Ghost variables
Those messages say that some code (presumably in your script) is referring to columns, not variables, with those names. That isn't a message coming from base R, it's coming from some package that you are using, I think "tibble". You can turn those warnings into errors by running options(warn=2) before your script, and then the script will die at the first warning. Duncan Murdoch
On 25/02/2019 3:45 p.m., JLucke at ria.buffalo.edu wrote:
The script is complete. When I start, the environment is empty.
The warnings are issued for these "ghost" variables well before they are
created later in the script.
Somehow previous incarnations are lingering around and being unhappy even
after they were "deleted".
Jeff Newmiller has suggested a solution I have yet to try.
William Dunlap <wdunlap at tibco.com>
02/25/2019 02:30 PM
To
JLucke at ria.buffalo.edu,
cc
r-help mailing list <r-help at r-project.org>
Subject
Re: [R] Ghost variables
Doesn't that mean that your script is incomplete, that it needs to make
those variables?
Bill Dunlap
TIBCO Software
wdunlap tibco.com
On Mon, Feb 25, 2019 at 10:32 AM <JLucke at ria.buffalo.edu> wrote:
Fellow R-gonauts:
I frequently erase/remove all the objects in my current environment so can
I re-run scripts to ensure that analyses are complete, error-free, and
accurate.
However, sometimes when I re-rerun a script I get warning messages (see
below for example) regarding some variables (objects) when these
variables do not exist in my current environment.
These ghost variables had existed at one time, but were subsequently
removed by the rm(list=ls()) command or by the broom icon in RStudio.
What's happening and how do I exorcise the ghosts?
Warning messages:
1: Unknown or uninitialised column: 'K'.
2: Unknown or uninitialised column: 'NDAfit'.
3: Unknown or uninitialised column: 'NDAfit'.
4: Unknown or uninitialised column: 'NDAfit'.
5: Unknown or uninitialised column: 'NDAfit'.
6: Unknown or uninitialised column: 'NDAfit'.
7: Unknown or uninitialised column: 'NDAobs'.
Joe Lucke
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