Vivek Kumar questions

Vivek Kumar answers

• NotFittedError: TfidfVectorizer - Vocabulary wasn't fitted python
• TypeError: 'ShuffleSplit' object is not iterable
• Can't import sklearn.qda and sklearn.lda with scikit-learn 0.19.1
• sklearn use RandomizedSearchCV with custom metrics and catch Exceptions
• sklearn TfidfVectorizer : Generate Custom NGrams by not removing stopword in them
• sklearn PCA.transform gives different results for different trials
• Tuning parameters for SVM Regression
• "numpy.ndarray' object has no attribute 'get_support" error message after running SelectKBest in Scikit Learn
• SGDClassifier giving different accuracy each time for text classification
• Calculating accuracy scores of predicted continuous values