search for: ontology

Displaying 20 results from an estimated 44 matches for "ontology".

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2008 May 05
1
computational ontology to research questions, and statistical methods
...mber of R packages and related software such as Rcmdr, R4calc, and Rkward where a variable of a certain type is matched to a certain test. For example, a logistic regression model requires a dichotomous variable as its dependent variable. our goal is to formalize this link through a computational ontology, which would standardize and hopefully facilitate package and library development for R. we have started some parallel efforts regarding both our requirements for this ontology as well a search for existing ontologies. So far we couldn't find any existing ontology, which seems odd given the w...
2010 Oct 11
1
Response to your LC Comment -2393 on Media Ontology spec
Dear Jean-Marc: Would you please send Thierry an ontology mapping table specification for speex according to the format he links to at the end of his message below? Thank you. On Mon, Oct 11, 2010 at 9:54 AM, Thierry MICHEL <tmichel at w3.org> wrote: > Dear James, > > In your latest email to the MAWG response to your comment, you seem to...
2010 Jun 10
1
OWL ontologies in R?
Are there any R packages to import and use Web Ontology Language (OWL) ontologies (represented in OWL/RDF or other form)? Thanks, -s [[alternative HTML version deleted]]
2002 Jan 21
1
[R-1.4.0] minimum spanning tree of large ontology
Dear all, I have an ontology which I would like to load in R to then compute the minimum distance between elements. Since this ontology is not only DAG, the problem is non trivial and therefore decided to use R with the powerful e1071 library (allShortestPaths) to do that. That method requires to provide a distance matrix be...
2002 Dec 18
2
gene ontology association
Hello! I don't know if there is some R-package able to associate ontology to a long list of GeneBank Name (a txt-tab file or an XML file), i.e. I would as output a formatted file with 4 columns (1:GeneBank Name 2,3,4:ontology). I know that I have to perform a mapping of genes, I got a look on AnnBuilder pkg, but I 've not idea from where to start. Some suggestion?...
2011 May 18
2
Query Gene ontology
Un texte encapsul? et encod? dans un jeu de caract?res inconnu a ?t? nettoy?... Nom : non disponible URL : <https://stat.ethz.ch/pipermail/r-help/attachments/20110518/a7d31ce9/attachment.pl>
2011 Sep 13
2
GO & Protein Complex Analysis for Homo sapiens
Dear All, I need to fetch GO ontologies for Homo sapiens with their mappings to corresponding Uniprot identifiers. I would be using this information to compare result from a clustering algorithm with existing protein complexes. This would be a test to check how the clustering algorithm accurately captures GO terms with respect to the known protein complexes. Can anyone suggest a simple workflow
2004 Sep 25
2
Strange behavior of is.na() on lists
...complex lists: list(list(list(.....)). A concrete example where I found this behavior is the following list: > str(as.list(hgu95av2GO)[1:5]) List of 5 $ 1114_at :List of 6 ..$ GO:0005125:List of 3 .. ..$ GOID : chr "GO:0005125" .. ..$ Evidence: chr "IEA" .. ..$ Ontology: chr "MF" ................................... ..$ GO:0040007:List of 3 .. ..$ GOID : chr "GO:0040007" .. ..$ Evidence: chr "IEA" .. ..$ Ontology: chr "BP" $ 36421_at : logi NA $ 329_s_at :List of 5 ..$ GO:0005198:List of 3 .. ..$ GOID...
2012 Apr 03
2
how to map microarray probe to gene, homology
Hi: I have clustered microarray gene expression data and trying to map between microarray probe, gene, pathway, gene ontology, and homology for a set of (affy) microarray probes. Is there any package in R which facilitates this? I am looking at bioconductor, but till now could not find a solution. A link to some worked example would be appreciated. Thanks and regards. John [[alternative HTML version deleted]]
2008 Nov 16
3
[Schrodinger-devel] ogg dirac granulepos in oggz tools
On 11/14/08, David Flynn <davidf+nntp at woaf.net> wrote: > Correct; there is no metadata handling capability in the current > mapping spec. I'd suggest at some point to look into separate stream solution for metadata, perhaps M3F [1]. -Ivo [1] http://wiki.xiph.org/index.php/M3F
2006 Jan 20
4
read.table with ":" in column names (PR#8511)
Full_Name: emiel ver loren Version: 2.2.0 OS: Windows XP Submission from: (NULL) (145.117.31.248) Dear R-community and developers, I have been trying to read in a tab delimeted file where the column names and the row names are of the form "GO:0000051" (gene ontology IDs). When using: > gomat<-read.table("test.txt") > colnames(gomat)[1] [1] "GO.0000051" > rownames(gomat)[1] [1] "GO:0000002" Which means that ":" is transformed into a "." !! This seems like Excel when it is trying to guess what I am...
2009 Dec 24
1
Question to use R plot GO pie chart
Hi, I have a list of IPI gene IDs. I want to find out whether there is a package which can map the gene ontology to these IPIs, and plot the pie chart to demonstrate the molecular function distributions. The input is like the following gene IPI IDs: IPI:IPI00008860.1|SWISS-PROT:Q9BXJ4-1|TREMBL:Q542Y2|ENSEMBL:ENSP00000231338;EN IPI:IPI00019922.5|SWISS-PROT:Q8N0Y2-1|TREMBL:Q53F81|ENSEMBL:ENSP00000338860;ENSP00...
2008 Nov 03
1
Help with 'annotation' in GOHyperGParamsClass
Dear cateGOry experts, hyperGTest documentation states that YEAST cannot be used as 'annotation' when evaluating gene ontology representation status for a given set of 'geneIds'. Because I am using a custom print I believe I need to create my own data package to use as the annotation file for 'annotation'. Can someone please describe how to make a data package that will be compatible with the 'annotat...
2011 Jun 29
0
XML parsing
...1/XMLSchema-instance" xsi:schemaLocation="http://psi.hupo.org/ms/mzml http://psidev.info/files/ms/mzML/xsd/mzML1.1.0_idx.xsd" version="1.1"> <cvList count="3"> <cv id="MS" fullName="Proteomics Standards Initiative Mass Spectrometry Ontology" version="1.3.1" URI="http://psidev.info/ms/mzML/psi-ms.obo"/> <cv id="UO" fullName="Unit Ontology" version="1.15" URI="http://obo.cvs.sourceforge.net/obo/obo/ontology/phenotype/unit.obo"/> <cv id="IMS" f...
2006 Jun 13
1
2 Courses Near You - (1) Introduction to R/S+ programming: Microarrays Analysis and Bioconductor, (2) R/Splus Fundamentals and Programming Techniques
...(e.g. BioConductor) - BioConductor: Overview; Installation and Demonstration - Array Quality Inspection - Correction and Normalization; Affymetrix and cDNA arrays - Identification of Differentially Expressed Genes - Visualization of Genomic Information - Clustering Methods in R/Splus - Gene Ontology (GO) and Pathway Analysis - Inference, Strategies for Large Data (2) R/Splus Fundamentals and Programming Techniques Course outline. - An Overview of R and S - Data Manipulation and Graphics - Using Lattice Graphics - A Comparison of R and S-Plus - How can R Complement...
2008 Nov 17
0
[Schrodinger-devel] ogg dirac granulepos in oggz tools
On Mon, Nov 17, 2008 at 11:41 AM, Ralph Giles <ralph.giles at artifex.com> wrote: > On Sun, Nov 16, 2008 at 3:22 PM, Silvia Pfeiffer > <silviapfeiffer1 at gmail.com> wrote: > >> Plus, the W3C is currently >> investigating a new ontology for video/audio metadata. This may be a >> good extension for vorbiscomment once finished. > > Ooh, can you say anything about it? Are there any documents up yet? > I've been waiting for something better than rdf xml for a looong time. > :) RDF has a very different purpose. A...
2018 Mar 23
0
New package: codebook
Dear R users, codebook (v. 0.5.8) was just released on CRAN. https://CRAN.R-project.org/package=codebook It uses the metadata/attributes that some other packages add (item labels, value labels, labelled missings) to automatically generate a codebook that is both human- and machine-readable. It combines metadata about the variables with data summaries. Many people will import this kind of
2007 Apr 22
0
Intro and a Question
Hello r-help! My name is Dan McGoldrick, I am a statistical geneticist and I work with ontologies, AI and general genetic data analysis. I was wondering aabout the tryCatch function -- don't really understand the implimentation... What I would like to do is within an R API, test a mysql connection object for an error (server has gone away) and if the connection is functional leave it alone;
2008 Dec 10
0
FW: Kegg.db with GOstats
-----Original Message----- From: Robert Gentleman [mailto:rgentlem@fhcrc.org] Sent: Wed 10/12/2008 18:47 To: Legaie, Roxane Subject: Re: Kegg.db with GOstats Hi Roxanne, Can you redirect your question to the mailing list. And, you can find the answer in the mailing list archives... best wishes Robert Legaie, Roxane wrote: > Dear Robert Gentleman, > I am currently working on
2013 Mar 11
1
Project: Learning To Rank
Hello everyone, I am Abhiroop, 3rd year engineering student from BITS Pilani, India. I was going through the idea list of Xapian Search Engine Library and the idea Learning to Rank interested me. I am not very well conversant with C++. However I have done a lot of development work in Java and Python. And i have done a project in C# too. Currently I am working on 2 projects: 1.Distributed Data