diff dataset.py @ 241:ddb88a8e9fd2

If I understand properly, the length of an unbounded stream is sys.maxint
author delallea@opale.iro.umontreal.ca
date Fri, 30 May 2008 10:14:46 -0400
parents 38beb81f4e8b
children ef70a665aaaf
line wrap: on
line diff
--- a/dataset.py	Tue May 27 15:49:09 2008 -0400
+++ b/dataset.py	Fri May 30 10:14:46 2008 -0400
@@ -47,14 +47,14 @@
     columns/attributes are called fields. The field value for a particular example can be an arbitrary
     python object, which depends on the particular dataset.
     
-    We call a DataSet a 'stream' when its length is unbounded (otherwise its __len__ method
+    We call a DataSet a 'stream' when its length is unbounded (in which case its __len__ method
     should return sys.maxint).
 
     A DataSet is a generator of iterators; these iterators can run through the
     examples or the fields in a variety of ways.  A DataSet need not necessarily have a finite
     or known length, so this class can be used to interface to a 'stream' which
     feeds on-line learning (however, as noted below, some operations are not
-    feasible or not recommanded on streams).
+    feasible or not recommended on streams).
 
     To iterate over examples, there are several possibilities:
      - for example in dataset:
@@ -81,7 +81,7 @@
      - for field_examples in dataset.fields():
         for example_value in field_examples:
            ...
-    but when the dataset is a stream (unbounded length), it is not recommanded to do 
+    but when the dataset is a stream (unbounded length), it is not recommended to do 
     such things because the underlying dataset may refuse to access the different fields in
     an unsynchronized ways. Hence the fields() method is illegal for streams, by default.
     The result of fields() is a L{DataSetFields} object, which iterates over fields,
@@ -599,7 +599,7 @@
     * for field_examples in dataset.fields():
         for example_value in field_examples:
            ...
-    but when the dataset is a stream (unbounded length), it is not recommanded to do 
+    but when the dataset is a stream (unbounded length), it is not recommended to do 
     such things because the underlying dataset may refuse to access the different fields in
     an unsynchronized ways. Hence the fields() method is illegal for streams, by default.
     The result of fields() is a DataSetFields object, which iterates over fields,