[R] Data import R: some explanatory variables not showing up correctly in summary

[William Dunlap]

Re-importing the data with read.table's strip.white=TRUE argument may be an
easier way to deal with the problem (if the problem is leading or trailing
whitespace).

Bill Dunlap
TIBCO Software
wdunlap tibco.com

On Thu, Jun 1, 2017 at 9:17 AM, David Winsemius <dwinsemius at comcast.net>
wrote:

>
> > On Jun 1, 2017, at 8:57 AM, William Dunlap via R-help <
> r-help at r-project.org> wrote:
> >
> > Check for leading or trailing spaces in the strings in your data.
> > dput(dataset) would show them.
>
> This function would strip any leading or trailing spaces from a column:
>
> trim <-
>    function (s)
>         {
>     s <- as.character(s)
>     s <- sub(pattern = "^[[:blank:]]+", replacement = "", x = s)
>     s <- sub(pattern = "[[:blank:]]+$", replacement = "", x = s)
>     s
>          }
>
> You could restrict it to non-mumeric columns with:
>
> my_dfrm[ !sapply(my_dfrm, is.numeric) ] <- lapply( my_dfrm[
> !sapply(my_dfrm, is.numeric) ], trim)
>
> It would have the side-effect, (desirable in my opinion but opinions do
> vary on this matter), of converting any factor columns to character-class.
>
>
>
> >
> > Bill Dunlap
> > TIBCO Software
> > wdunlap tibco.com
> >
> > On Thu, Jun 1, 2017 at 8:49 AM, Ulrik Stervbo <ulrik.stervbo at gmail.com>
> > wrote:
> >
> >> Hi Tara,
> >>
> >> It seems that you categorise and count for each category. Could it be
> that
> >> the method you use puts everything that doesn't match the predefined
> >> categories in Other?
> >>
> >> I'm only guessing because without a minimal  reproducible example it's
> >> difficult to do anything else.
> >>
> >> Best wishes
> >> Ulrik
> >>
> >> Rui Barradas <ruipbarradas at sapo.pt> schrieb am Do., 1. Juni 2017,
> 17:30:
> >>
> >>> Hello,
> >>>
> >>> In order for us to help we need to know how you've imported your data.
> >>> What was the file type? What instructions have you used to import it?
> >>> Did you use base R or a package?
> >>> Give us a minimal but complete code example that can reproduce your
> >>> situation.
> >>>
> >>> Hope this helps,
> >>>
> >>> Rui Barradas
> >>>
> >>> Em 01-06-2017 11:02, Tara Adcock escreveu:
> >>>> Hi,
> >>>>
> >>>> I have a question regarding data importing into R.
> >>>>
> >>>> When I import my data into R and review the summary, some of my
> >>> explanatory variables are being reported as if instead of being one
> >>> variable, they are two with the same name. See below for an example;
> >>>>
> >>>>    Behav person         Behav dog               Position
> >>>>   **combination  : 38   combination  :  4**     Bank    :372
> >>>>   **combination  :  7   combination  :  4**   **Island  :119**
> >>>>     fast         :123   fast         : 15     **Island  : 11**
> >>>>     slow         :445   slow         : 95       Land    :  3
> >>>>     stat         :111   stat         : 14       Water   :230
> >>>>
> >>>> Also, all of the distances I have imported are showing up in the
> >> summary
> >>> along with a line entitled "other". However, I haven't used any other
> >>> distances?
> >>>>
> >>>>    Distance        Distance.dog
> >>>>    2-10m  :184     <50m   : 35
> >>>>    <50m   :156     2-10m  : 27
> >>>>    10-20m :156     20-30m : 23
> >>>>    20-30m : 91     30-40m : 16
> >>>>    40-50m : 57     10-20m : 13
> >>>>    **(Other): 82   (Other): 18**
> >>>>
> >>>> I have checked my data sheet over and over again and I think
> >>> standardised the data, but the issue keeps arising. I'm assuming I need
> >> to
> >>> clean the data set but as a nearly complete novice in R I am not
> certain
> >>> how to do this. Any help at all with this would be much appreciated.
> >> Thanks
> >>> so much.
> >>>>
> >>>> Kind Regards,
> >>>>
> >>>> Tara Adcock.
> >>>>
> >>>>
> >>>>      [[alternative HTML version deleted]]
> >>>>
> >>>> ______________________________________________
> >>>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >>>> https://stat.ethz.ch/mailman/listinfo/r-help
> >>>> PLEASE do read the posting guide
> >>> http://www.R-project.org/posting-guide.html
> >>>> and provide commented, minimal, self-contained, reproducible code.
> >>>>
> >>>
> >>> ______________________________________________
> >>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >>> https://stat.ethz.ch/mailman/listinfo/r-help
> >>> PLEASE do read the posting guide
> >>> http://www.R-project.org/posting-guide.html
> >>> and provide commented, minimal, self-contained, reproducible code.
> >>>
> >>
> >>        [[alternative HTML version deleted]]
> >>
> >> ______________________________________________
> >> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide http://www.R-project.org/
> >> posting-guide.html
> >> and provide commented, minimal, self-contained, reproducible code.
> >>
> >
> >       [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide http://www.R-project.org/
> posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> David Winsemius
> Alameda, CA, USA
>
>

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