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Data Science : Recent Questions and Answers (Page 255)

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

Is there any good alternative for Keras library?

I am currently using keras as a deep learning library on top of tensorflow. I just want to know is there any other library which is more efficient/easier than keras....

Asked on 01/07/2021 by Chinmay Kulkarni

4 answer

What is the correct way to use Active Learning on a huge and unbalanced text dataset?

I am working on a huge and unlabeled text dataset. It has over 30M lines (= sentences). We are trying to detect illegal sentences by analyzing 20 different legal issues...

Asked on 01/07/2021 by LexABzH

0 answer

Recommendation Systems User Profile Streaming Data on GCP

I have a recommendation system that recommends articles to different users. I am planning to provide the recommendations in an off-line fashion. Where I already have a table in BigQuery...

Asked on 01/06/2021

0 answer

When to use Standard Scaler and when Normalizer?

I understand what Standard Scalar does and what Normalizer does, per the scikit documentation: Normalizer, Standard Scaler. I know when Standard Scaler is applied. But in...

Asked on 01/06/2021 by Heisenbug

3 answer

What does $mathbf{w^Tx}+w_0$ graphically mean in the discriminant function?

I found a post explaining the discriminant function very detailed. But I am still confused about the function $g(mathbf{x})=mathbf{w^Tx}+w_0$ in 9.2 Linear Discriminant Functions and Decision...

Asked on 01/06/2021 by user8314628

2 answer

One hot encoding alternatives for large categorical values

I have a data frame with large categorical values over 1600 categories. Is there any way I can find alternatives so that I don't have over 1600 columns? I found...

Asked on 01/06/2021 by vinaykva

4 answer

Does this data work with Convolutional Neural Network

I have a data set of 900k+ row with each row consisting of a pattern (e.g. 1421143) and a result (flawed, good). Can I use the patterns in a...

Asked on 01/06/2021 by a.a

1 answer

Solve a regression equation algebraically in python

I fit a regression model using python statsmodels.formula.api package and obtain the coefficients/results. Here's the model:Price ~ Availability + Income + unemployment + labor_force + HHThe coefficients are:coef...

Asked on 01/06/2021

0 answer

How to tune parameters batch by batch?

As the title states, I am trying to cluster a huge dataset and cluster it by using sklearn.Birch to learn incrementally. If it's a small dataset, I could just use...

Asked on 01/06/2021 by yayaya

1 answer

On which data evaluate an object detection model ? (similar or real life data ?)

I'm training an object detection model (SSD300) to detect and classify body poses in thermal images. Even I have more than 2k different poses, the background does not change much...

Asked on 01/06/2021 by antoine Mathu

1 answer

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