Changeset 137 for prdatasets/sonar.m

Timestamp:

12/18/19 15:46:35 (5 years ago)

Author:

bduin

Message:

 

Location:

prdatasets

Files:

• . (modified) (1 prop)
• sonar.m (modified) (1 diff)

prdatasets

@@ -3 +3 @@
 *.data
 *.asv
+data

@@ -3 +3 @@
 *.data
 *.asv
+data

prdatasets/sonar.m

@@ -8 +8 @@
 %metal cylinder and those bounced off a roughly cylindrical rock.
 
-function x = sonar
+function a = sonar
 
-prdatasets(mfilename,1,'http://prtools.tudelft.nl/prdatasets/sonar.dat');
-user.desc = 'The Sonar dataset from the undocumented databases from UCI. The task is to train a network to discriminate between sonar signals bounced off a metal cylinder and those bounced off a roughly cylindrical rock.';
-user.link = 'ftp://ftp.ics.uci.edu/pub/machine-learning-databases/undocumented/connectionist-bench/sonar';
-cl = {'mines' 'rocks'};
-a = load('sonar.dat');
-
-x = pr_dataset(a(:,1:(end-1)),cl(a(:,end)));
-x = setname(x,'Sonar');
-x = setuser(x,user);
-
+a = pr_loadmatfile;
+if isempty(a)
+  opt.labfeat    = 61;
+  opt.classnames = {'mines' 'rocks'};
+  opt.desc       = 'The Sonar dataset from the undocumented databases from UCI. The task is to train a network to discriminate between sonar signals bounced off a metal cylinder and those bounced off a roughly cylindrical rock.';
+  opt.link       = 'ftp://ftp.ics.uci.edu/pub/machine-learning-databases/undocumented/connectionist-bench/sonar';
+  a = pr_download('http://prtools.tudelft.nl/prdatasets/sonar.dat',[],opt);
+end
 
 return

@@ -3 +3 @@
 *.data
 *.asv
+data