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Data Science : Recent Questions and Answers (Page 22)

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

adding a supervising process during knn process

I am trying to improve my KNN regression process (I would like to use sklearn / python, but it doesn't matter).I would like to improve my results and to gain...

Asked on 10/01/2021 by lelorrain7

1 answer

How to approach semi-supervised binary classification problem with few labels only from one class?

I confront with a binary classification problem where I do have a few instances with labels (so far this is "semi-supervised" learning as far as I know), but only from...

Asked on 10/01/2021

1 answer

What does it mean when we say an algorithm/metric is agnostic

ProblemI have all kinds of machine learning terms that co-occur with the word "agnostic", including model-agnostic learning, model-agnostic metric. From the dictionary, it explains the word "agnostic" in...

Asked on 10/01/2021

2 answer

How do I predict a class for each time step using the information from previous timsteps

I have a classification problem but different than usual. I have to provide 3 outputs (each of them either 0 or 1) for every input of 3 timesteps and...

Asked on 10/01/2021

1 answer

How to convert regression into classification?

So I have a regression problem with bunch of features X, and labels in the amount (price $). How can I convert it to classification problem? I have read about...

Asked on 10/01/2021 by Nauman Akram

3 answer

How to use decode_predictions() for non-Imagenet models..?

I know that decode_predictions() works for only imagenet dataset(1000 classes) for the models like VGG16 etc.But condiser my scenario. My Scenario: I used vgg16 pretrained model, and added my...

Asked on 10/01/2021

1 answer

How to encode ordinal data before applying linear regression in STATA?

I have a data set that has student performance marks (continuous and dependent variable), Teacher Qualification (Ordinal and independent variable containing categories: Masters, Bachelors, High School). I want to apply...

Asked on 10/01/2021

1 answer

How to find the class name of a new image from the pre-trained model

I would just like to get the class names of the predictions. I can get the class names on the images that I trained the model. But if I predict...

Asked on 10/01/2021

1 answer

How to handle non-numeric user id's in a recommendation model

Hi i'm working on a practice project on amazon movie reviews and i did everything that was asked except building a model that will recommend movies to users which have...

Asked on 10/01/2021 by Yaya

2 answer

Question of pretraining text-generation task, it seems that pretraining is not work for a small model?

My task is to generate keywords from sentences. I pretrain a text-generation model. I mask the sentences' tokens and predict the whole sentences' tokens. Pretraining batch_size = 8 and step...

Asked on 09/30/2021

1 answer

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