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Data Science : Recent Questions and Answers (Page 238)

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

Where to find good quality data sets about electricity data per country?

I want to investigate and compare different countries level regarding electrification as a part of studying how prepared they are in electrification of the automotive segment.Examples of information I...

Asked on 01/23/2021 by Henrik Bechtel

0 answer

Getting vague results using VAR time series forecasting in python!

Firstly, I am a beginner in this field of Data Science and have tried to implement some time series models for wind speed forecasting. Also, I am aware of the...

Asked on 01/23/2021

0 answer

What are the rules when extracting SVO triples from preprocessed text?

If you have some already preprocessed text that is tagged, what are the rules to extract Subject-Verb-Object (SVO) triples if you want a triple like (word, word, word). Can you...

Asked on 01/23/2021

1 answer

Is feature scaling at all needed for a feature set with a single feature?

I understand that feature scaling is required to bring features in different magnitudes on a common scale so the model is not biased towards features with higher magnitudes. But if...

Asked on 01/23/2021 by learnerX

1 answer

batch_size in neural network

When NN is construsted, batch size is not defined and place holder is used and its summary(tensorfow) shows the batch size as None. This is useful because you can change...

Asked on 01/23/2021 by Hiro Nakagame

1 answer

NER_Multiple_entities

I am working on a problem of entity extraction which requires me to extract variables of interest from a text document. My challenge is that the text contains multiple entities...

Asked on 01/23/2021

0 answer

replacing last duplicate values in pandas

I have a dataframe ,that looks like this | **site** | **Active**|0 |: deals| Active:|1 |:...

Asked on 01/22/2021 by shabu shankar

0 answer

How do I label images faster

I have around 1600 images extracted from videos shot at night time. I am labeling each image and trying to be as accurate as I can in assigning bounding boxes....

Asked on 01/22/2021 by Vendetta

2 answer

deep learning and uncertainty estimation

Recently I got very interested in NLP applications of deep learning. Diving into literature (on arXiv for instance) I noticed that is very unpopular to quote and estimate uncertainties on...

Asked on 01/22/2021

1 answer

Any good resources for Operational Research and optimization problems

I'm looking for good learning resources for Operational Research and optimization problems (specifically some case studies). If I could get something on digital media optimization, then it would be wonderful....

Asked on 01/22/2021

0 answer

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