From 0edca0616624ab9711b3791bbb7697a676e0b141 Mon Sep 17 00:00:00 2001
From: mguetlein <martin.guetlein@gmail.com>
Date: Fri, 6 May 2011 17:01:27 +0200
Subject: fix specificity (was 1-specificity) in cv-summary, (added
 training-test-split to validation object)

---
 lib/validation.rb | 46 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

(limited to 'lib/validation.rb')

diff --git a/lib/validation.rb b/lib/validation.rb
index a47a554..8fa95bb 100644
--- a/lib/validation.rb
+++ b/lib/validation.rb
@@ -12,6 +12,29 @@ module OpenTox
       val
     end
     
+    # creates a training test split validation, waits until it finishes, may take some time
+    # @param [Hash] params (required:algorithm_uri,dataset_uri,prediction_feature, optional:algorithm_params,split_ratio(0.67),random_seed(1))
+    # @param [String,optional] subjectid
+    # @param [OpenTox::Task,optional] waiting_task (can be a OpenTox::Subtask as well), progress is updated accordingly
+    # @return [OpenTox::Validation]
+    def self.create_training_test_split( params, subjectid=nil, waiting_task=nil )
+      params[:subjectid] = subjectid if subjectid
+      uri = OpenTox::RestClientWrapper.post( File.join(CONFIG[:services]["opentox-validation"],"training_test_split"),
+        params,{:content_type => "text/uri-list"},waiting_task )
+      Validation.new(uri)
+    end
+    
+    # looks for report for this validation, creates a report if no report is found
+    # @param [String,optional] subjectid
+    # @param [OpenTox::Task,optional] waiting_task (can be a OpenTox::Subtask as well), progress is updated accordingly
+    # @return [String] report uri
+    def find_or_create_report( subjectid=nil, waiting_task=nil )
+      @report = ValidationReport.find_for_validation(@uri, subjectid) unless @report
+      @report = ValidationReport.create(@uri, subjectid, waiting_task) unless @report
+      @report.uri
+    end
+    
+    
     # creates a validation object from crossvaldiation statistics, raise error if not found
     # (as crossvaldiation statistics are returned as an average valdidation over all folds)
     # @param [String] crossvalidation uri
@@ -42,7 +65,7 @@ module OpenTox
             res[:true_negatives] = s[OT.numTrueNegatives]
             res[:false_negatives] = s[OT.numFalseNegatives]
             res[:sensitivity] = s[OT.truePositiveRate]
-            res[:specificity] = s[OT.falsePositiveRate]
+            res[:specificity] = s[OT.trueNegativeRate]
             break
           end
         end
@@ -110,6 +133,16 @@ module OpenTox
   class ValidationReport
     include OpenTox
     
+    # finds ValidationReport via uri, raises error if not found
+    # @param [String] uri
+    # @param [String,optional] subjectid
+    # @return [OpenTox::ValidationReport]
+    def self.find( uri, subjectid=nil )
+      # PENDING load report data?
+      OpenTox::RestClientWrapper.get(uri,{:subjectid => subjectid})
+      ValidationReport.new(uri)
+    end
+    
     # finds ValidationReport for a particular validation
     # @param [String] crossvalidation uri 
     # @param [String,optional] subjectid
@@ -120,6 +153,17 @@ module OpenTox
       uris.size==0 ? nil : ValidationReport.new(uris[-1])
     end
     
+    # creates a validation report via validation
+    # @param [String] validation uri 
+    # @param [String,optional] subjectid
+    # @param [OpenTox::Task,optional] waiting_task (can be a OpenTox::Subtask as well), progress is updated accordingly
+    # @return [OpenTox::ValidationReport]
+    def self.create( validation_uri, subjectid=nil, waiting_task=nil )
+      uri = RestClientWrapper.post(File.join(CONFIG[:services]["opentox-validation"],"/report/validation"),
+        { :validation_uris => validation_uri, :subjectid => subjectid }, {}, waiting_task )
+      ValidationReport.new(uri)
+    end
+    
   end
 
   class CrossvalidationReport
-- 
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