Questions tagged [python]
Python is a programming language commonly used for machine learning. Use this tag for any *on-topic* question that (a) involves `Python` either as a critical part of the question or expected answer, & (b) is not *just* about how to use `Python`.
4,824 questions
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What data mining freeware is available that replicates SAS EMiner's interactive Decision Tree node?
Its 2025, and yes I'm still using SAS EMiner's Decision Tree..... If anyone knows a modern freeware version that replicates the Interactive mode effectively (with controlling split cutoff values, a ...
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Confidence interval for the parameters of a non-linear model
I am trying to understand how to obtain the confidence interval for a function fitted with scipy.optimize.least_squares. If my understanding is correct, I'd need to take the "Modified Jacobian ...
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ANCOVA or GLMM for logistic regression with fixed and random effects
I'm running an experiment where subjects need to determine if a test-image is identical or different from their (memorized) target-image. The images are divided between categories (e.g. ...
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How to apply FDR correction when one survey item is sex-specific
I am analyzing survey data with ~80 items. Most items apply to all respondents, but one item is male-specific and therefore has a smaller denominator (approx. n/2).
I am comparing symptom frequencies ...
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How to identify and quantify main tendencies across participants from cluster membership heatmaps?
I'd appreciate your thoughts on the following problem.
I've created a heatmap plot (attached) showing the cluster membership ratio for each participant (in separate subplots) and condition (η).
Now, I'...
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Is there a method to calculate a regression using the inverse of the relationship between independent and dependent variable?
I am trying to use regression to analyze a titration, I have the following relationship that I know should fit the data, but $V_b$ is the independent variable and $\left[H^+\right]$, which is $10^{-p\...
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Assembling boxes on pallets (YOLOv8n), problems with detection
I'm developing a computer vision solution to count boxes in fractional palettes.
Problem: inconsistent detections. I don't know if it's due to a lack of data, annotations, architecture, or ...
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What is the best way to determine if cross validated R-squared scores are significantly different? [duplicate]
I'm comparing, pairwise, the results of Linear Regression models with transformations applied to one numerical feature and the target. I'm using K folds cross validation scoring with R-squared. The ...
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How can I get scipy.curve_fit to converge on data involving a wrapping phase angle?
I am trying to fit the phase angle of complex data with a very simple function phi(f) = mf, where m is the gradient and ...
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Can I have some help choosing a very low-sample estimator?
I want to forecast what next semester's finances may look like, regarding my campus job. I get paid bi-weekly, and have eight past data points: ...
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siamese model I have scripted gives me a wrong output [duplicate]
I am trying to create a model for face verification and I have thought of siamese , I have use the mobilenetv2 as my base_model and use euclidean distance as output . for the sake of loss i have use a ...
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How to evaluate lifelines.CoxTimeVaryingFitter predictions
I'm using CoxTimeVaryingFitter as a survival analysis model for a marketing attribution use case. I've got a big dataset with the touchpoints each individual had ...
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High recall, low precision - no imbalanced data
I have created a custom program that outputs a prediction based on filtering and counting (no ML) and would now like to compare the program to some typical methods, such as scikit-learn and xgboost.
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TensorFlow + Gradio handwritten digit recognizer predicts incorrectly on Sketchpad input (but works on MNIST test set)
I'm building a handwritten digit recognition app using TensorFlow and Gradio. My model achieves ~97% accuracy on the MNIST test set. However, when I connect it to a Gradio Sketchpad interface to take ...
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Managing "administrative censoring" in survival models for credit risk
I'm building a survival model to predict time to default (Number of installments to default relative to the current pending installment). I'm strugling differenciating these two kinds of censorship (...
