doc for Feature.find, load_features in feature_type

3 files changed, 6 insertions, 3 deletions

diff --git a/lib/algorithm.rb b/lib/algorithm.rb
index af8dfaf..c8cb116 100644
--- a/lib/algorithm.rb
+++ b/lib/algorithm.rb
@@ -190,8 +190,7 @@ module OpenTox
             gram_matrix[i][i] = 1.0
           end
 
-          LOGGER.debug gram_matrix.to_yaml
-
+          #LOGGER.debug gram_matrix.to_yaml
           @r = RinRuby.new(false,false) # global R instance leads to Socket errors after a large number of requests
           @r.eval "library('kernlab')" # this requires R package "kernlab" to be installed
           LOGGER.debug "Setting R data ..."
diff --git a/lib/dataset.rb b/lib/dataset.rb
index 2c47502..c61d86f 100644
--- a/lib/dataset.rb
+++ b/lib/dataset.rb
@@ -165,7 +165,8 @@ module OpenTox
 
     # Detect feature type(s) in the dataset
     # @return [String] `classification", "regression", "mixed" or unknown`
-    def feature_type
+    def feature_type(subjectid=nil)
+      load_features(subjectid)
       feature_types = @features.collect{|f,metadata| metadata[OT.isA]}.uniq
       if feature_types.size > 1
         "mixed"
diff --git a/lib/feature.rb b/lib/feature.rb
index c0729a7..e768f7b 100644
--- a/lib/feature.rb
+++ b/lib/feature.rb
@@ -2,6 +2,9 @@ module OpenTox
   class Feature
     include OpenTox
 
+    # Find a feature
+    # @param [String] uri Feature URI
+    # @return [OpenTox::Task] Feature object
     def self.find(uri, subjectid=nil)
       return nil unless uri   
       feature = Feature.new uri