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Newest 'scikit-learn' Questions - Stack Overflow
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28,242 questions
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0
votes
0
answers
31
views
Are SVM models trained with OpenCV (.xml) and scikit-learn (.pkl) identical if trained on the same data with the same parameters? [closed]
I’m training a Support Vector Machine (SVM) classifier using both OpenCV’s cv2.ml.SVM (with RBF kernel) and scikit-learn’s sklearn.svm.SVC. I’m using the same training data and same hyperparameters (C,...
0
votes
1
answer
32
views
Calculating PCA Factor Loadings using sklearn When Using StandardScalar
my goal is to get the correlations between individual variables and principal components in python. I am using PCA in sklearn. However, I didn't want to standardize the data before running the PCA. ...
0
votes
0
answers
17
views
Can I save and load a Keras Model with Feature Names added?
I have data where I need to use numpy's "get_dummies" to convert the one Hot Encoding. When I train from a larger dataset I get all the possible encodings. When I predict I could possible ...
4
votes
1
answer
48
views
Plot confusion matrix in black and white
I currently have the following code:
disp = ConfusionMatrixDisplay(confusion_matrix=cm)
disp.plot()
plt.show()
This results into something like:
However, I want the diagonal to be depicted with a ...
4
votes
2
answers
71
views
Reproduce a particular tree from the random forest using DecisionTreeRegressor
I am trying to replicate a specific decision tree trained by a RandomForestRegressor class, using DecisionTreeRegressor.
However, I cannot get the exact results, even with using the exact same ...
1
vote
0
answers
57
views
Ridge Polynomial Regression: How to get parameters for equation found
I've used sklearn for polynomial ridge regression. Using grid search, I am happy with the results. Now I would like to render it as a simple polynomial equation to run in a small python module. The ...
0
votes
0
answers
43
views
Add Feature extraction as part of a keras model
Is it possible to add feature extraction as part of a keras model, so when a user runs inference there is no need for computing those features as that part is done inside the model. Im looking for a ...
1
vote
1
answer
35
views
Building a sklearn compatible estimator: 'dict' object has no attribute 'requires_fit'
I am trying to build a scikit-learn compatible estimator. I have built a custom class that inherits from BaseEstimator and RegressorMixin. However, when I try to use this, I run into an AttributeError:...
1
vote
0
answers
25
views
DBSCAN clustering points one cluster having points very distant from each other)
I need to cluster a dataset of PFAS pollution, with coordinates (lat, lon). I tried to use DBSCAN as it seemed the go-to solution for spatial data clustering. I do get a result but it seems to be ...
0
votes
1
answer
33
views
Why does the y-intercept change when all features are used in a linear regression model vs only one feature? [closed]
I'm training a linear regression on the "advertising sales dataset"
When I train all of the features(columns) of the dataset together, I get a different y-intercept than if I trained the ...
1
vote
2
answers
97
views
Scikit-Learn Classifier model returns all zeroes
So, I'm trying to train a RandomForestClassifier Model. However, when I train it, it gives me all zeroes. And, I really can't seem to understand why. The dataset is HUGE (closer to like 75,0000 rows), ...
0
votes
0
answers
57
views
GroupKFold vs Random KFold [migrated]
I'm working on a regression task to predict soil organic matter (%) using Gradient Boosting. In order to validate my model, I'm comparing standard KFold (random splits) vs GroupKFold where groups are ...
2
votes
2
answers
82
views
I'm working on a classification task using scikit-learn (LogisticRegression()) [closed]
import pandas as pd
from sklearn.model_selection import train_test_split
from sklearn.preprocessing import MinMaxScaler
from sklearn.linear_model import LogisticRegression
from sklearn.metrics import ...
1
vote
1
answer
69
views
Why does sklearn GaussianMixtures spawn a cmd window when run from IDLE?
When I run this code using IDLE in windows, it spawns a temporary cmd window that disappears shortly thereafter.
import numpy as np
import matplotlib.pyplot as plt
from sklearn.mixture import ...
0
votes
0
answers
48
views
Python LogisticRegression() and RandomSearch: RuntimeWarning
Working on an assignment to knock out a logistic regression with random search for tuning, but I keep getting runtime warnings. Any idea what i'm doing wrong?
/Library/Frameworks/Python.framework/...
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