Message-ID: <BANLkTik8vTJUpW3LYY-=H8TzeNbfjJ+s8w@mail.gmail.com>
Date: 2011-04-04T13:57:25Z
From: jim holtman
Subject: reading from text file that have different rowlength and create a data frame
In-Reply-To: <BANLkTikNjBMuN6feDZnNWfaEdpmvyZqKFQ@mail.gmail.com>
?read.table
Then look at the 'fill' & 'flush' parameters; this may do the trick
On Mon, Apr 4, 2011 at 9:32 AM, Ram H. Sharma <sharma.ram.h at gmail.com> wrote:
> Hi R-experts
>
> I have many text files to read and combined them into one into R that are
> output from other programs. My textfile have unbalanced number of rows for
> example:
>
> ;this is example
> ; r help
> Var1 ? ? Var2 ? ? ?Var3 ? ? ?Var4 ? ? ?Var5
> 0 ? ? ? ? ? ? 0.05 ? ? 0.01 ? ? ? ?12
> 1 ? ? ? ? ? ? 0.04 ? ? 0.06 ? ? ? ?18 ? ? ? ?A
> 2 ? ? ? ? ? ? 0.05 ? ? 0.08 ? ? ? ?14
> 3 ? ? ? ? ? ? 0.01 ? ? 0.06 ? ? ? ?15 ? ? ? B
> 4 ? ? ? ? ? ? 0.05 ? ? 0.07 ? ? ? ?14 ? ? ? C
>
> and so on
> Inames<-as.data.frame(read.table("CLG1mpd.asc",header=T,comment=";"))
> Inames<-as.matrix(read.table("example.txt",header=T,comment=";"))
> Error in scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings,
> :
> ?line 1 did not have 5 elements
>
>
> In bestcase scenerio, I want to fill the blank space with NA's, with matrix
> or dataframe
> ?Var1 ? ? Var2 ? ? ?Var3 ? ? ?Var4 ? ? ?Var5
> 0 ? ? ? ? ? ? 0.05 ? ? 0.01 ? ? ? ?12 ? ? ? ?NA
> 1 ? ? ? ? ? ? 0.04 ? ? 0.06 ? ? ? ?18 ? ? ? ?A
> 2 ? ? ? ? ? ? 0.05 ? ? 0.08 ? ? ? ?14 ? ? ? NA
> 3 ? ? ? ? ? ? 0.01 ? ? 0.06 ? ? ? ?15 ? ? ? B
> 4 ? ? ? ? ? ? 0.05 ? ? 0.07 ? ? ? ?14 ? ? ? C
>
> The minimum would be to ?remove the column Var5, so that my data.frame would
> look like the follows:
> ?Var1 ? ? Var2 ? ? ?Var3 ? ? ?Var4
> 0 ? ? ? ? ? ? 0.05 ? ? 0.01 ? ? ? ?12
> 1 ? ? ? ? ? ? 0.04 ? ? 0.06 ? ? ? ?18
> 2 ? ? ? ? ? ? 0.05 ? ? 0.08 ? ? ? ?14
> 3 ? ? ? ? ? ? 0.01 ? ? 0.06 ? ? ? ?15
> 4 ? ? ? ? ? ? 0.05 ? ? 0.07 ? ? ? ?14
> --
> Thank you in advance for the help.
>
> Ram H
>
> ? ? ? ?[[alternative HTML version deleted]]
>
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> and provide commented, minimal, self-contained, reproducible code.
>
--
Jim Holtman
Data Munger Guru
What is the problem that you are trying to solve?