TransWikia.com
  1. All Categories
  2. Data Science

Data Science : Recent Questions and Answers (Page 37)

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

Train classifier on synthetic images to recognise real images

I am trying to train a classifier (let's say to classify an object X or not X). But I don't have too much real images of object X which I...

Asked on 09/03/2021 by Deepak Sharma

2 answer

Predict correct answer among ten answers for a given question

I have a case study to solve where I am given a dataset of questions and its answers, there are ten answers for a particular question. It's a...

Asked on 09/03/2021 by torBhakt

3 answer

Sentiment Analysis Label Distribution

I am working on Sentiment Analysis model.The dataset I have has three labels: positive, negative and neutral. But the problem is the data is not equal for labels.Say...

Asked on 09/03/2021

3 answer

How do I build a model to predict which service a customer will use on an app?

There's an app with over 50 services. I have the data on the type of service a specific customer (they have a unique customer number) does on the app, the...

Asked on 09/02/2021 by Shakya_Muni

1 answer

Memory error - Hierarchical Dirichlet Process, HDP gensim

I am running Hierarchical Dirichlet Process, HDP using gensim in Python but as my corpus is too large it is throwing me following error:model = gensim.models.HdpModel(corpus, id2word=corpus.id2word, chunksize=50000) File...

Asked on 09/02/2021 by work_in_progress

2 answer

Which correlation test can be used on low count contigency table?

I need to find the correlation between the ratings given by two parties. Let's say we have 2 coaches, namely A and B. Coach A will rate the skills...

Asked on 09/02/2021

2 answer

What does from_logits=True do in SparseCategoricalcrossEntropy loss function?

In the documentation it has been mentioned that y_pred needs to be in the range of [-inf to inf] when from_logits=True. I truly didn't understand what this means, since the...

Asked on 09/02/2021 by Nagendra Prasad

1 answer

Does anybody know where this rule of thumb came from? Rule of them: embedding vector dimension should be the 4th root of the number of categories

I was taking an online ML course and the lecturer said that a rule of thumb for choosing the number of dimensions when embedding categorical data is the following embedding...

Asked on 09/02/2021

1 answer

What is the effect of oversampling on logistic regression?

I am building a model to predict if a customer will use a coupon or not for a given campaign. I am using logistic regression for this model. I took...

Asked on 09/02/2021

1 answer

How to ensure same encoding pattern?

I created a XGBRegressor model with certain encoded 'object' dtypes in the data. Now if I want to run the model with new set of data which is freshly encoded...

Asked on 09/02/2021 by Dishant Kothia

2 answer

Ask a Question

Get help from others!

© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP