[R] Reading large data matrix in R
jholtman at gmail.com
Fri Jan 9 18:33:21 CET 2015
can you at least attach a sample of what your data file looks like. That
is not that large of a file and it would depend on exactly how it is
formatted. Is it a CSV, tab, space, semicolon, etc. separated file? What
exactly have you tried and what were the results? A sample of the data
would help to determine how you might want to read it.
Data Munger Guru
What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.
On Fri, Jan 9, 2015 at 9:44 AM, Madhavan BL <blmadhavan at gmail.com> wrote:
> Dear All,
> Greetings. I am a new user of R programming.
> I have a large ASCII data file with 14 columns and 45000 rows. I tried to
> load the file using read.table(), scan(), etc. functions, but failed to
> load the data file properly. Missing values in my data are denoted by
> "NaN". I also want to exclude these lines. I don't have a column header but
> I would like to include the labels in plotting. All the data is in floats.
> Can anyone give me some short examples to open my file?
> Look forward for your support,
> Thanking you in advance,
> Bomidi Lakshmi Madhavan, Ph.D
> Remote Sensing of Atmospheric Processes
> Leibniz Institute for Tropospheric Research (TROPOS)
> Permoserstraße 15, D-04318 Leipzig, Germany
> Phone: +49 (0)341 2717-7187 (Office), +49 (0)1578 8467548 (Mobile)
> E-Mail: *madhavan.bomidi at tropos.de <madhavan at tropos.de>, **
> blmadhavan at gmail.com
> <blmadhavan at gmail.com>*
> Skype ID: *blmadhavan*, Web: *http://sat.tropos.de
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