[R] read table not reading lines containing single quotes

Philipp Pagel p.pagel at wzw.tum.de
Wed Apr 9 22:23:01 CEST 2008

On Wed, Apr 09, 2008 at 04:09:57PM -0400, Vidhu Choudhary wrote:

> kegg<-read.table("c:/IDs.tab",header =TRUE,quote= "'", sep="\t") *

> *It doesnot read from Alzheimer's disease. Due the single qoutes in it.

You have almost given the answer yourself: you are declaring the single
quote to be a quotation character in your read.table call. Either turn
quoting off entirely (quote="") or restrict it to double quotes (quote


Dr. Philipp Pagel                              Tel.  +49-8161-71 2131
Lehrstuhl für Genomorientierte Bioinformatik   Fax.  +49-8161-71 2186
Technische Universität München
Wissenschaftszentrum Weihenstephan
85350 Freising, Germany
Institut für Bioinformatik und Systembiologie / MIPS
Helmholtz Zentrum München -
Deutsches Forschungszentrum für Gesundheit und Umwelt
Ingolstädter Landstrasse 1
85764 Neuherberg, Germany

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