can unsupervised features be extracted? what is the use of boltzman machine to extract feature vector what is feature learning a previous step is it posible to use sckit's restricted boltzman machine to extract a feature vector as a previous step to a classification task? what is used unsupervised feature learning in text classifying? unsupervised feature learning what are feature learning examples can a boltzman machine classify data what is unsupervised feature learning what is feature learning in text classifying what feature learning is a previous step in text classification? what is the previous step of feature learning? what is a boltzman machine for classification? unsupervised feature learning is a prior step in a classification task. what is a feature vector used for is feature learning a prior step? what is the purpose of a boltzmann machine? what feature learning is used for clasification why use a boltzman machine unsupervised feature learning