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Manual Reference Pages  -  BIO::ANALYSISRESULTI (3)

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Bio::AnalysisResultI - Interface for analysis result objects



Bio::AnalysisResultI defines an interface that must be implemented by a subclass. So you cannot create Bio::AnalysisResultI objects, only objects that inherit from Bio::AnalysisResultI.


The AnalysisResultI module provides an interface for modules encapsulating the result of an analysis that was carried out with a query sequence and an optional subject dataset.

The notion of an analysis represented by this base class is that of a unary or binary operator, taking either one query or a query and a subject and producing a result. The query is e.g. a sequence, and a subject is either a sequence, too, or a database of sequences.

This interface defines methods to access analysis result data and does not impose any constraints on how the analysis result data is acquired.

Note that this module does not provide support for <B>runningB> an analysis. Rather, it is positioned in the subsequent parsing step (concerned with turning raw results into BioPerl objects).


    Mailing Lists

User feedback is an integral part of the evolution of this and other Bioperl modules. Send your comments and suggestions preferably to one of the Bioperl mailing lists. Your participation is much appreciated.                  - General discussion  - About the mailing lists


Please direct usage questions or support issues to the mailing list:

rather than to the module maintainer directly. Many experienced and reponsive experts will be able look at the problem and quickly address it. Please include a thorough description of the problem with code and data examples if at all possible.

    Reporting Bugs

Report bugs to the Bioperl bug tracking system to help us keep track the bugs and their resolution. Bug reports can be submitted via the web:

AUTHOR - Steve Chervitz, Hilmar Lapp

Email Email (author of Bio::Tools::AnalysisResult on which this module is based)


Copyright (c) 2001 Steve Chervitz. All Rights Reserved.


This software is provided as is without warranty of any kind.


The rest of the documentation details each of the object methods. Internal methods are usually preceded with a _


 Usage     : $query_obj = $result->analysis_query();
 Purpose   : Get a Bio::PrimarySeqI-compatible object representing the entity
             on which the analysis was performed. Lacks sequence information.
 Argument  : n/a
 Returns   : A Bio::PrimarySeqI-compatible object without sequence information.
             The sequence will have display_id, description, moltype, and length data.


 Usage     : $obj = $result->analyis_subject();
 Purpose   : Get the subject of the analysis against which it was
             performed. For similarity searches it will probably be a database,
             and for sequence feature predictions (exons, promoters, etc) it
             may be a collection of models or homologous sequences that were
             used, or undefined.
 Returns   : An object of a type the depends on the implementation
             May also return undef for analyses that don\t involve subjects.
 Argument  : n/a
 Comments  : Implementation of this method is optional.
             AnalysisResultI provides a default behavior of returning undef.


 Usage     : $vers = $result->analyis_subject_version();
 Purpose   : Get the version string of the subject of the analysis.
 Returns   : String or undef for analyses that don\t involve subjects.
 Argument  : n/a
 Comments  : Implementation of this method is optional.
             AnalysisResultI provides a default behavior of returning undef.


 Usage     : $date = $result->analysis_date();
 Purpose   : Get the date on which the analysis was performed.
 Returns   : String
 Argument  : n/a


 Usage     : $meth = $result->analysis_method();
 Purpose   : Get the name of the sequence analysis method that was used
             to produce this result (BLASTP, FASTA, etc.). May also be the
             actual name of a program.
 Returns   : String
 Argument  : n/a


 Usage     : $vers = $result->analysis_method_version();
 Purpose   : Get the version string of the analysis program.
           : (e.g., 1.4.9MP, 2.0a19MP-WashU).
 Returns   : String
 Argument  : n/a


 Title   : next_feature
 Usage   : $seqfeature = $obj->next_feature();
 Function: Returns the next feature available in the analysis result, or
           undef if there are no more features.
 Example :
 Returns : A Bio::SeqFeatureI implementing object, or undef if there are no
           more features.
 Args    : none

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