Hi Sarah,
Thanks for a prompt feedback. I knew it will be very vague without
example. However, I only used two commands to import data and had no
'apparent' errors. The original data have about 19000 obs and I was able
to reduce about 3200. I wonder if I can attach the data file (size:
109K) with my email.
Best,
Steve
On Wed, Aug 21, 2013 at 10:46 AM, Sarah Goslee <sarah.gos...@gmail.com>wrote:
> Hi,
>
> We don't know anything about your data or your file, so it's utterly
> impossible to offer useful suggestions.
>
> The very best thing you can do is condense your problem into a
> reproducible example, with fake data if necessary. Otherwise you're
> limited by the ability of the list to guess what you're looking at,
> and our track record with that is spotty.
>
>
> Sarah
>
> On Wed, Aug 21, 2013 at 10:35 AM, SH <empti...@gmail.com> wrote:
> > Dear List:
> >
> > I had some strange experience in importing data. I wonder if anyone of
> you
> > had the same problem before and would greatly appreciate your suggestion
> in
> > advance.
> >
> > The original data set in excel format.
> >
> > Here is a brief summary of the procedure I did:
> > 1. I saved the original excel data as csv and txt formats, separately.
> > 2. I imported two data using the following codes. There were no error
> > messages.
> > dftxt = read.table('df.txt',header=T, sep='\t')
> > dfcsv = read.csv('df.csv',header=T, sep=',')
> > 3. When I checked data with 'str', I found that factor levels of a
> variable
> > were different each other.
> > Levels of dftxt were less than those of dfcsv (48 vs 52).
> > 4. So, I checked 'df.txt' file and found that the missing levels were
> still
> > there, i.e., there is a no problem in text file. I suspect that
> something
> > happened when I imported it into R.
> >
> > Since there was no errors in importing the file into R, I do not have an
> > idea where to start to fix it. Do you have any suggestion?
> >
> > Thank you very much in advance,
> >
> > SH
> >
>
> --
> Sarah Goslee
> http://www.functionaldiversity.org
>
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