sentimentanalysis's Introduction
---------------------------------------------- COS 424: Sentiment Analysis Task (Spring 2017) ---------------------------------------------- This directory comprises the following files - data/train.txt, a training set of 2400 sentiment labelled sentences (from Amazon, Yelp and iMDB) in the following form: <sample num> <sentence> <sentiment> where <sentiment> is either 0 (negative) or 1 (positive). - data/test.txt, a test set of 600 labelled sentences, in the same format. - preprocessSentences.py, called as follows: python ./preprocessSentences.py -p <data> -o <out> -v <vocab> <data> is the path of the directory containing train.txt, <out> is an optional argument specifying the prefix of output files, and <vocab> is an optional argument specifying the path to an existing vocabulary file. The script generates four output files in <data>: - A vocabulary file 'out_vocab_*.txt’ (if one is not specified when calling the script) with tokenized words from the training data (where '*' is the word count threshold, set to default as 5 in the script), - A list of training samples numbers in 'out_samples_classes_*.txt', - A list of sentiment labels corresponding to each training sample, 'out_classes_*.txt', and - A 'bag of words' featurized representation of each sentence in the training set, 'out_bag_of_words_*.csv' ----------------------------------------------
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