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toxic's Introduction

Toxic Comment Classification Challenge

Code for Kaggle competition https://www.kaggle.com/c/jigsaw-toxic-comment-classification-challenge

This script achieves 0.057 on LB.

Run script

First, install required libraries:

pip install nltk keras tqdm scikit-learn

Download embeddings. I used fastText crawl-300d-2M.vec. It can be found here: https://github.com/facebookresearch/fastText/blob/master/docs/english-vectors.md

Download competition's data. The links are here: https://www.kaggle.com/c/jigsaw-toxic-comment-classification-challenge/data

Don't forget to extract files from archives

Next, run

python fit_predict.py train.csv test.csv crawl-300d-2M.vec

You will need some time to train a model. It takes ~3-4 hours on GTX 1080 Ti. In the finish, there will be file toxic_results/submit which you will be able to submit on Kaggle.

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toxic's Issues

"HTTP Error 429: Too Many Requests" when using extend_dataset.py

Hi,

I'm interested in using your extend_dataset.py script, but keep getting the same error:
urllib.error.HTTPError: HTTP Error 429: Too Many Requests
I'm trying the script on a dummy *.csv containing 100 English sentences, with all settings in their default. Any thoughts on how to circumvent this problem?

Thanks a lot!

Some questions about memory

This is really a nice work.
And when I run this code. You know, embedding_utils.py this file, need to create very huge file or array. I have only 8 Gb RAM. So How much memory do I need? And any other suggestions?

why cut the last element?

def read_embedding_list(file_path):
    embedding_word_dict = {}
    embedding_list = []
    with open(file_path) as f:
        for row in tqdm.tqdm(f.read().split("\n")[1:-1]):
            data = row.split(" ")
            word = data[0]
            embedding = np.array([float(num) for num in data[1:-1]])
            embedding_list.append(embedding)
            embedding_word_dict[word] = len(embedding_word_dict)

    embedding_list = np.array(embedding_list)
    return embedding_list, embedding_word_dict

Can anyone tell me why the last element was cut?
like this one: data[1:-1]

invalid number of arguments

Epoch 11 loss 0.04497938698477566 best_loss 0.0413083174741875
Predicting results...
Traceback (most recent call last):
File "fit_predict.py", line 124, in
main()
File "fit_predict.py", line 110, in main
test_predicts = np.multiply(*test_predicts_list)
ValueError: invalid number of arguments.

Did I miss something?

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