Esempio n. 1
0
def score_essay(essay_id):
    from app import db, cache
    essay = Essay.query.filter_by(id=essay_id).first()
    manager = Manager(essay.question)
    score = manager.score_essay(essay)
    essay.predicted_score = score
    essay.model = manager.get_latest_model()
    db.session.commit()
     try:
         if math.isnan(e): essay[itr] = ""
     except:
         continue
 score = list(tab1['score_swathi'])
 threshold = 10
 mean_error = []
 std_error = []
 for i in range(20):
     print i, "th iteration"
     train_essay, train_score, test_essay, test_score = divide_test_and_train(
         essay, score, threshold)
     print "samples for training is ", len(train_essay)
     print "sample for testing is ", len(test_essay)
     id = 'a'
     manager = Manager(essay)
     model_loc = manager.create_model(id,
                                      text=train_essay,
                                      scores=train_score,
                                      MODEL_PATH=settings.MODEL_PATH)
     print 'model is created and stored in ', model_loc
     predicted_score = [
         manager.score_essay(text=te, MODEL_PATH=model_loc)
         for itera, te in enumerate(test_essay)
     ]
     diff_score = [
         abs(sc - predicted_score[i][0]) / 10.0
         for i, sc in enumerate(test_score)
     ]
     mean_error.append(np.mean(diff_score))
     std_error.append(np.std(diff_score))
Esempio n. 3
0
def create_model(question_id):
    from app import cache
    question = Question.query.filter_by(id=question_id).first()
    manager = Manager(question)
    manager.create_model()
    cache.delete('{0}_question_status')
                test_scores.append(temp_scores[itr])
    return train_text, train_scores, test_text, test_scores

if __name__  ==  "__main__":
    input_file = "/Users/alok/Documents/Data/Text_Mining/AES/The kings school_que_a_sec_abc_g123.csv"
    tab1= pd.read_csv(input_file,header=0)
    essay = list(tab1['text'])
    for itr, e in enumerate(essay):
        try:
            if math.isnan(e): essay[itr] = ""
        except:
            continue
    score = list(tab1['score_swathi'])
    threshold = 10
    mean_error = []
    std_error = []
    for i in range(20):
        print i,"th iteration"
        train_essay, train_score, test_essay,test_score = divide_test_and_train(essay,score, threshold)
        print "samples for training is ", len(train_essay)
        print "sample for testing is ", len(test_essay)
        id ='a'
        manager = Manager(essay)
        model_loc = manager.create_model(id, text=train_essay, scores=train_score, MODEL_PATH = settings.MODEL_PATH)
        print 'model is created and stored in ', model_loc
        predicted_score=[manager.score_essay(text = te, MODEL_PATH = model_loc) for itera, te in enumerate(test_essay)]
        diff_score = [abs(sc - predicted_score[i][0])/10.0 for i,sc in enumerate(test_score)]
        mean_error.append(np.mean(diff_score))
        std_error.append(np.std(diff_score))
    print 'average of error is ', np.mean(mean_error), mean_error
    print 'standard deviation of error is ',np.mean(std_error), std_error