Training Error

[lucis13]

I got this message in training with the train_multiclass.py file

main:14: UserWarning: Update your fit_generator call to the Keras 2 API: fit_generator(<keras.pre..., epochs=20, validation_data=<keras.pre..., callbacks=[<keras.ca..., validation_steps=300, steps_per_epoch=31)
Epoch 1/20
Traceback (most recent call last):

File "", line 14, in
validation_steps=validation_steps)

File "/home/cngc3/anaconda3/envs/tensorflow/lib/python3.6/site-packages/keras/legacy/interfaces.py", line 91, in wrapper
return func(*args, **kwargs)

File "/home/cngc3/anaconda3/envs/tensorflow/lib/python3.6/site-packages/keras/models.py", line 1276, in fit_generator
initial_epoch=initial_epoch)

File "/home/cngc3/anaconda3/envs/tensorflow/lib/python3.6/site-packages/keras/legacy/interfaces.py", line 91, in wrapper
return func(*args, **kwargs)

File "/home/cngc3/anaconda3/envs/tensorflow/lib/python3.6/site-packages/keras/engine/training.py", line 2224, in fit_generator
class_weight=class_weight)

File "/home/cngc3/anaconda3/envs/tensorflow/lib/python3.6/site-packages/keras/engine/training.py", line 1877, in train_on_batch
class_weight=class_weight)

File "/home/cngc3/anaconda3/envs/tensorflow/lib/python3.6/site-packages/keras/engine/training.py", line 1480, in _standardize_user_data
exception_prefix='target')

File "/home/cngc3/anaconda3/envs/tensorflow/lib/python3.6/site-packages/keras/engine/training.py", line 123, in _standardize_input_data
str(data_shape))

ValueError: Error when checking target: expected dense_6 to have shape (3,) but got array with shape (9,)

[BlcaKHat]

got the same error.

[kaushikmit]

Any body solved this? I'm getting the same error.

Epoch 1/20
Traceback (most recent call last):
File "train-multiclass.py", line 125, in
validation_steps=validation_steps)
File "/Users/rkaus/autodrawDataSet/cenv/lib/python2.7/site-packages/keras/legacy/interfaces.py", line 91, in wrapper
return func(*args, **kwargs)
File "/Users/rkaus/autodrawDataSet/cenv/lib/python2.7/site-packages/keras/engine/training.py", line 1418, in fit_generator
initial_epoch=initial_epoch)
File "/Users/rkaus/autodrawDataSet/cenv/lib/python2.7/site-packages/keras/engine/training_generator.py", line 217, in fit_generator
class_weight=class_weight)
File "/Users/rkaus/autodrawDataSet/cenv/lib/python2.7/site-packages/keras/engine/training.py", line 1211, in train_on_batch
class_weight=class_weight)
File "/Users/rkaus/autodrawDataSet/cenv/lib/python2.7/site-packages/keras/engine/training.py", line 789, in _standardize_user_data
exception_prefix='target')
File "/Users/rkaus/autodrawDataSet/cenv/lib/python2.7/site-packages/keras/engine/training_utils.py", line 138, in standardize_input_data
str(data_shape))
ValueError: Error when checking target: expected dense_2 to have shape (3,) but got array with shape (2,)

[taejaehan]

Change the variable 'classes_num' in train-multiclass.py