when training data using IBM Bluemix natural language classifier api, return data too small
问题 When I follow "Getting started with the Natural Language Classifier service" guide line, I meet problem at Stage 2: Create and train a classifier: $ curl -i -u "<username>":"<password>" \ -F training_data=@<path_to_file>/weather_data_train.csv \ -F training_metadata="{\"language\":\"en\",\"name\":\"TutorialClassifier\"}" \ "https://gateway.watsonplatform.net/natural-language-classifier/api/v1/classifiers" It returns: { "code" : 400, "error" : "Data too small", "description" : "The number of