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Data Science : Recent Questions and Answers (Page 290)

Find answers to your questions about Data Science or help others by answering their Data Science questions.

Can a Warm-up loss period easily be implemented in Keras?

I am creating a RNN in Keras. It was suggested that I utilize a warm-up period before loss is calculated to increase accuracy down the line. I saw some...

Asked on 12/07/2020 by J Houseman

1 answer

How to compare two clustering solutions when their labelling differs

I am planning to test the reliability of a clustering approach for some data. My plan is to repeatedly (with replacement) draw a number of random subsample pairs (e.g. 2x...

Asked on 12/07/2020 by fffrost

1 answer

How can I create a new column of binary values from my TfidfVectorizer sparse matrix?

I currently have a sparse matrix object of TfidfVectorizer which is of 1000 length. Right now it is displayed like this :(0, 833) 0.0125811983337(0, 273) ...

Asked on 12/07/2020 by Rishabh Sharma

1 answer

User profiling based on multiple posts

I currently have collected a dataset of different social media posts for each user with labels assigned to each user. I tried to use LSTM, and BERT for the text...

Asked on 12/07/2020 by Mac Sat

2 answer

Multilabel Classification With Ranking

I have a dataset as below: Key Attr1 Attr2 Attr3 Attr4 Attr5 Attr6 kd1 l1 l2 ...

Asked on 12/06/2020 by EmperorPenguin

1 answer

Logistic regression for classification?

I have a dataset with most columns having Boolean values and categorical values.A sample of it is:Name Country approved politicalbbc.com US ...

Asked on 12/06/2020

2 answer

Show the percent change week on week Data Studio

In Data studio I'm trying to get the percentage change week on week of a metric so that weekly reporting on changes is automated - right now I have to...

Asked on 12/06/2020

0 answer

Is label-encoded data quantitative or qualitative?

If you label-encode something which is qualitative, like brand of toothpaste or colour of hair, would you describe the resulting data as quantitative since it is now expressed in numbers?...

Asked on 12/06/2020 by nyptop

1 answer

Tensor Mean of values greater than a threshold

I have a tensor of shape = [a,b,c] The tensor mean along dim=1 will give me an output of shape = [a,c] My goal is to compute the mean of...

Asked on 12/06/2020

1 answer

Convert TFIDF Values to Vector Space Model

I'm working on a project using tf-idf values and cosine similarity for clustering. As my database (elasticsearch) provides tfidf values out of the box (term_freq & doc_freq), my code involves...

Asked on 12/06/2020 by Luca Frost

0 answer

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