Mercurial > pylearn
comparison _test_dataset.py @ 349:2174fe5cc7d0
added test for ds.subset()
| author | Frederic Bastien <bastienf@iro.umontreal.ca> |
|---|---|
| date | Tue, 17 Jun 2008 16:09:59 -0400 |
| parents | 952129cd55cb |
| children | ae6605eccd09 |
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| 348:952129cd55cb | 349:2174fe5cc7d0 |
|---|---|
| 369 pass | 369 pass |
| 370 | 370 |
| 371 #ds[:n] returns a dataset with the n first examples. | 371 #ds[:n] returns a dataset with the n first examples. |
| 372 ds2=ds.subset[:3] | 372 ds2=ds.subset[:3] |
| 373 test_ds(ds,ds2,index=[0,1,2]) | 373 test_ds(ds,ds2,index=[0,1,2]) |
| 374 # del ds2 | 374 # del ds2 |
| 375 | 375 |
| 376 # #ds[i1:i2:s]# returns a ds with the examples i1,i1+s,...i2-s. | 376 #ds[i1:i2:s]# returns a ds with the examples i1,i1+s,...i2-s. |
| 377 # ds2=ds.subset[1:7:2] | 377 ds2=ds.subset[1:7:2] |
| 378 # test_ds(ds,ds2,[1,3,5]) | 378 test_ds(ds,ds2,[1,3,5]) |
| 379 # del ds2 | 379 # del ds2 |
| 380 | 380 |
| 381 # #ds[i] | 381 # #ds[i] |
| 382 # ds2=ds.subset[5] | 382 # ds2=ds.subset[5] |
| 383 # assert isinstance(ds2,Example) | 383 # assert isinstance(ds2,Example) |
| 384 # assert have_raised("var['ds']["+str(len(ds))+"]",ds=ds) # index not defined | 384 # assert have_raised("var['ds']["+str(len(ds))+"]",ds=ds) # index not defined |
| 385 # assert not have_raised("var['ds']["+str(len(ds)-1)+"]",ds=ds) | 385 # assert not have_raised("var['ds']["+str(len(ds)-1)+"]",ds=ds) |
| 386 # del ds2 | 386 # del ds2 |
| 387 | 387 |
| 388 # #ds[[i1,i2,...in]]# returns a ds with examples i1,i2,...in. | 388 #ds[[i1,i2,...in]]# returns a ds with examples i1,i2,...in. |
| 389 # ds2=ds.subset[[4,7,2,8]] | 389 ds2=ds.subset[[4,7,2,8]] |
| 390 # test_ds(ds,ds2,[4,7,2,8]) | 390 test_ds(ds,ds2,[4,7,2,8]) |
| 391 # del ds2 | 391 # del ds2 |
| 392 | 392 |
| 393 # #ds.<property># returns the value of a property associated with | 393 #ds.<property># returns the value of a property associated with |
| 394 # #the name <property>. The following properties should be supported: | 394 #the name <property>. The following properties should be supported: |
| 395 # # - 'description': a textual description or name for the ds | 395 # - 'description': a textual description or name for the ds |
| 396 # # - 'fieldtypes': a list of types (one per field) | 396 # - 'fieldtypes': a list of types (one per field) |
| 397 | 397 |
| 398 # #* ds1 | ds2 | ds3 == ds.hstack([ds1,ds2,ds3])#???? | 398 #* ds1 | ds2 | ds3 == ds.hstack([ds1,ds2,ds3])#???? |
| 399 # #assert hstack([ds('x','y'),ds('z')])==ds | 399 #assert hstack([ds('x','y'),ds('z')])==ds |
| 400 # #hstack([ds('z','y'),ds('x')])==ds | 400 #hstack([ds('z','y'),ds('x')])==ds |
| 401 # assert have_raised2(hstack,[ds('x'),ds('x')]) | 401 assert have_raised2(hstack,[ds('x'),ds('x')]) |
| 402 # assert have_raised2(hstack,[ds('y','x'),ds('x')]) | 402 assert have_raised2(hstack,[ds('y','x'),ds('x')]) |
| 403 # assert not have_raised2(hstack,[ds('x'),ds('y')]) | 403 assert not have_raised2(hstack,[ds('x'),ds('y')]) |
| 404 | 404 |
| 405 # # i=0 | 405 # i=0 |
| 406 # # for example in hstack([ds('x'),ds('y'),ds('z')]): | 406 # for example in hstack([ds('x'),ds('y'),ds('z')]): |
| 407 # # example==ds[i] | 407 # example==ds[i] |
| 408 # # i+=1 | 408 # i+=1 |
| 409 # # del i,example | 409 # del i,example |
| 410 # #* ds1 & ds2 & ds3 == ds.vstack([ds1,ds2,ds3])#???? | 410 #* ds1 & ds2 & ds3 == ds.vstack([ds1,ds2,ds3])#???? |
| 411 | 411 |
| 412 def test_fields_fct(ds): | 412 def test_fields_fct(ds): |
| 413 #@todo, fill correctly | 413 #@todo, fill correctly |
| 414 assert len(ds.fields())==3 | 414 assert len(ds.fields())==3 |
| 415 i=0 | 415 i=0 |