[R] Ghost variables

[William Dunlap]

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 using 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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>
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