port more examples over to sample data

svn path=/trunk/matplotlib/; revision=7380

Author: jdh2358

examples/api/date_index_formatter.py

@@ -9,7 +9,7 @@
 import matplotlib.cbook as cbook
 import matplotlib.ticker as ticker
 
-datafile = cbook.get_sample_data('aapl.csv', asobj=False)
+datafile = cbook.get_sample_data('aapl.csv', asfileobj=False)
 print 'loading', datafile
 r = mlab.csv2rec(datafile)
 

examples/misc/rec_groupby_demo.py

@@ -2,11 +2,9 @@
 import matplotlib.mlab as mlab
 import matplotlib.cbook as cbook
 
-datafile = cbook.get_sample_data('aapl.csv', asobj=False)
+datafile = cbook.get_sample_data('aapl.csv', asfileobj=False)
 print 'loading', datafile
 r = mlab.csv2rec(datafile)
-
-r = mlab.csv2rec('../data/aapl.csv')
 r.sort()
 
 def daily_return(prices):

examples/misc/rec_join_demo.py

@@ -2,7 +2,7 @@
 import matplotlib.mlab as mlab
 import matplotlib.cbook as cbook
 
-datafile = cbook.get_sample_data('aapl.csv', asobj=False)
+datafile = cbook.get_sample_data('aapl.csv', asfileobj=False)
 print 'loading', datafile
 r = mlab.csv2rec(datafile)