Re: [R] missing values in document

From: jim holtman <jholtman_at_gmail.com>
Date: Wed, 30 Apr 2008 08:13:03 -0400

How are the 'empty' cell identified? It appears that you are using the default of read.table which says blanks are the delimiters. How are two or more empty cells identified? Can you output a CSV file so that you have commas as separators so you can identify the empty fields?

On Wed, Apr 30, 2008 at 6:51 AM, Monna Nygård <monnire_at_hotmail.com> wrote:
>
> No matter how I´ve tried o find a solution for this simple question, I can´t. Sorry for bothering with such a matter.
>
> I have an excel-files with some empty cells=missing values. How do I tell R that these should be NA´s?
>
> > TRFLP1 <-(read.table(file="S://SEDIM//Kokeilu//TRFLP1.txt",col.names= c("Dye_Sample Peak", "Sample_File_Name", "Size", "Height", "Area_in_Point", "Area_in_BP", "Data_Point", "Begin_Point", "Begin_BP", "End_Point", "End_BP", "Width_in_Point", "Width_in_BP", "1" ), header=F , dec = ",", )Error in scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings, : line 1743 did not have 14 elements
>
> I believe the error occurs becouse line 1743 has an empty cell. How do I read in the file without first checking for missing values and changing them to NAs myself?
>
> Thank you for you time,
>
> Monna Nygård
> _________________________________________________________________
>
>
> [[alternative HTML version deleted]]
>
>
> ______________________________________________
> R-help_at_r-project.org mailing list
> 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.
>
>

-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?

______________________________________________
R-help_at_r-project.org mailing list
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.
Received on Wed 30 Apr 2008 - 12:19:08 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Wed 30 Apr 2008 - 12:30:33 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help. Please read the posting guide before posting to the list.

list of date sections of archive