Unanswered Questions
10,510 questions with no upvoted or accepted answers
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Preference learning for collaborative scheduling
I am working on a project of integrating the preferences of the workers into a schedule, I mean we won’t only satisfy the systematic constraints but also users preferences as constraints, so we are ...
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Problem with the visualization of the widget Time Series
I'm using a MacBook with the M3 chip and I'm experiencing an issue with the Time Series widget in Orange Data Mining. When I open the tools, the X and Y axes are not visible. I've already tried ...
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Probability and Statistics for Data Science
I am trying to study prob-stats from Statistics 110, but it's too complex and has all kinds of stuff like beta and gamma distributions. Are these integral stuff necessary for data science internship ...
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Latent Class Analysis with weighted survey data
I'm intending to attempt some LCA on weighted survey data. I can see that Latent Gold (which I do not have a access to) allows the use of "case weights" which seem specially designed for ...
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Modelling Payment Default Probability
Suppose you work as a data scientist for a bank and want to create a model to predict the probability of a given client pays you back in, say, 12 months. If by anytime this client stays a period of, ...
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GNN Loss NaN after first training example?
I am trying to train a GNN but am getting a NaN loss function immediately after the first training example. Below I have included all of the pertinent code. My input is 385 points in 3D space confined ...
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Need support to straighten,crop image properly for requirement in computer vision
My requirement:
Need to extract license plates without duplicates and store images in a folder,then apply ocr to extract text from images.
What i have achieved:
Iam able to detect license plates ...
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1
answer
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Data for football matches
I am doing a project for my bachelor's thesis. I want to make a ML project in which I calculate the outputs of a football match in terms of probabilities- for example, 40% chance for the home team to ...
- 141
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How to correctly use a transformer model for a generating dependencies project
I'm currectly trying to train a model in order to predict dependencies between text, here it's industrials tasks, based on historical data. The goal is to learn that "Task A precedes Task B for ...
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How to train machine learning model with many data
I'm trying to learn machine learning. I understood how to train a machine learning model when there are only two labels. But I can't understand how if there are more than two labels, like how to make ...
- 480
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ANOVA for mean difference b/w groups abnormal distribution, large sample size
I have $10$ groups - sample size $n>700$: resampled to $710$ for ANOVA - visually these distributions are not normal, slight bimodlity in the sets.
I ran an ANOVA, and got a $P\approx 0.089$. It ...
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XGBoost GPU version not outperforming CPU on small dataset despite parameter tuning – suggestions needed
I'm currently working on a Parallel and Distributed Computing project where I'm comparing the performance of both XGBoost and CatBoost when trained on CPU vs GPU. The goal is to demonstrate how GPU ...
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Why is DecisionTree using same feature and same condition twice
When trying to fit scikit-learn DecisionTreeClassifier on my data, I am observing some weird behavior.
x[54] (a boolan feature) ...
- 141
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Why can monotonic feature transformation influence the performance of hypeparam-tuned tree-based models (e.g., random forest)?
I recently observed something unexpected: Although monotonic feature transformation does not affect the performance of decision tree-based models with default hyperparameters, it actually does affect ...
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Poor availability on Google Cloud Platform
I am trying to setup a VM on GCP, but every time I try to create an instance in Compute Engine, there is an error message saying that the configuration that I asked is not currently available in the ...
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