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Data Science : Recent Questions and Answers (Page 29)

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

The difference between data science and algorithm development

I see a lot of job opportunities in the field of data science but I'm not sure the difference between a data scientist and deep learning algorithm developer. Can someone...

Asked on 09/05/2021

2 answer

Why autoencoders work well for outlier detection?

Apart from the fact that they are neural networks, which usually is a reason for outperforming other algorithms, is there other reason helping auto-encoders perform well in outlier detection? I...

Asked on 09/05/2021 by Victor Luu

1 answer

Show overall average on plots of single data

I have data from a survey from multiple locations (1 data set per location per year, each containing about 20-25 numerical scores from 0 to 5). This data is aggregated...

Asked on 09/05/2021 by laureapresa

0 answer

Advice on where to continue in the field of data engineering and machine learning

I finished a 28 hours Machine learning with python (Basic course) on Udemy, and it was very beneficial. My aim, is to be able to understand what is ML and...

Asked on 09/05/2021 by alim1990

3 answer

How to do class balancing?

I am working with a really imbalanced dataset ($approx$ 1% of positive cases) for a classification problem. I know that class balancing is an important step in this scenario....

Asked on 09/05/2021

3 answer

Two questions about word2vec and gensim

I've written the code below to try word2vec implementation of gensim. I've two questions:Even though I've removed stop words, the word "the" is listed as one of the most similar...

Asked on 09/05/2021 by Sanyo Mn

1 answer

Why naive bayes is "naive"

Some articles say that naive Bayes is naive because of "independence of attributes". Whereas others say "independence of attributes within a class". Can anybody please clear this confusion?Thanks...

Asked on 09/05/2021

1 answer

"Invalid value" in RMSprop implementation from scratch in Python

Edit 2: The regularization term (reg_term) is sometimes negative due negatative parameters. Hence S[f"dW{l}"] contains some negative values. I realize the reg_term has to be added before taking the sqrt,...

Asked on 09/05/2021 by Simen

1 answer

Can anyone verify my NN diagram if it is properly drawn?

I am working on a Neural Network that can estimate building's carbon footprint based on the set of features and an image of urban surroundings (via CNN). ...

Asked on 09/05/2021 by Mateusz

1 answer

how to create sklearn pipeline object using predtrained standardscalar object

I am having pretrained Sklearn model and pre-trained Standard scalar object saved as pickle . And now I want to create Sklearn pipeline using both of it. I need sklearn...

Asked on 09/05/2021 by Mangesh Divate

1 answer

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