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Recent questions tagged scikit

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scikit learn - Why is pydot unable to find GraphViz's executables in Windows 8?

I have GraphViz 2.32 installed in Windows 8 and have added C:Program Files (x86)Graphviz2.32in to the System ... to get the problem solved. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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scikit learn - Is there a library function for Root mean square error (RMSE) in python?

I know I could implement a root mean squared error function like this: def rmse(predictions, targets): return ... somewhere, perhaps in scipy or scikit-learn? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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878 views

1 answer

scikit learn - Principal Component Analysis (PCA) in Python

I have a (26424 x 144) array and I want to perform PCA over it using Python. However, there is no particular ... . Anybody with any sort of help will do great. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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scikit learn - where to put freeze_support() in a Python script?

I am confused about using freeze_support() for multiprocessing and I get a Runtime Error without it. I am ... please head over to the more specific question. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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scikit learn - sklearn: Found arrays with inconsistent numbers of samples when calling LinearRegression.fit()

Just trying to do a simple linear regression but I'm baffled by this error for: regr = LinearRegression() regr.fit( ... be numpy arrays, so what am I missing? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

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scikit learn - ImportError: cannot import name 'RandomizedLasso' from 'sklearn.linear_model'

ImportError: cannot import name 'RandomizedLasso' from 'sklearn.linear_model' (C:ProgramDataAnaconda3libsite- ... import-name-randomizedlasso-from-sklearn-linear-model...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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scikit learn - how to import Kmedoids in pycharm?

I want to use KMedoids. I install sklearn_extra in jupyter and then use this code: from sklearn_extra.cluster ... .com/questions/65857315/how-to-import-kmedoids-in-pycharm...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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scikit learn - Feature selection categorical variables

4 of my variables are categorical with multiple values (i.e. strings). The other are binary and ... ://stackoverflow.com/questions/65862660/feature-selection-categorical-variables...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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scikit learn - Random Forest on Panel Data using Python

So I am having some troubles running a random forest regression on panel data. The data currently looks like ... .com/questions/65891664/random-forest-on-panel-data-using-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

scikit learn - What is the pca.components_ attribute in sklearn?

I am doing PCA with sklearn library in python. I have seen a lot of questions on StackOverflow about this ... /questions/65905082/what-is-the-pca-components-attribute-in-sklearn...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

scikit learn - GridSearchCV hidden_layer_sizes Parameter array should be one-dimensional

Parameter hidden layer sizes like this works: parameters = { 'hidden_layer_sizes': [[1,2], [3,4]], ... /gridsearchcv-hidden-layer-sizes-parameter-array-should-be-one-dimensional...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

1 answer

scikit learn - Python Gaussian Process Regression with sklearn

I'm attempting to do a regression to fit a function to some data points I have, these are ... /stackoverflow.com/questions/65930330/python-gaussian-process-regression-with-sklearn...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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981 views

1 answer

scikit learn - passing an iterator to fit/train/predict functions - is it possible?

i wonder if theres a way to pass an iterator like into those varius sk models for example: random-forest/ ... passing-an-iterator-to-fit-train-predict-functions-is-it-possible...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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943 views

1 answer

scikit learn - Limiting fit function for LocalOutlierFactor

I have a large data set and fitting a LocalOutlierFactor object takes forever. I could not ... stackoverflow.com/questions/65941735/limiting-fit-function-for-localoutlierfactor...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

855 views

1 answer

scikit learn - Translate Python export_text decision rules to SAS IF THEN DO; END code

I am attempting to translate Python's sklearn.tree export_text output into SAS conditions. There has been a solution given in ... THEN DO; PREDICTED_VALUE = 2.0; end; ELSE DO;...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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954 views

1 answer

scikit learn - How does logistic regression build Sigmoid curve from categorical dependent variable?

I'm exploring the Scikit-learn logistic regression algorithm. I understand that as part of the training, ... logistic-regression-build-sigmoid-curve-from-categorical-dependent-vari...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

scikit learn - Unable to plot 2 classes in Linear Discriminant Analysis in Python using sklearn

Thanks for reading my question - I would greatly appreciate any input! I am currently working on a LDA ... -2-classes-in-linear-discriminant-analysis-in-python-using-sklearn...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

scikit learn - How to fix some coefficient in sklearn.linear_model.LogisticRegression

I am running logistic regression sklearn.linear_model.LogisticRegression. Say I have 3 features in my model A ... to-fix-some-coefficient-in-sklearn-linear-model-logisticregression...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

808 views

1 answer

scikit learn - XGBoost XGBClassifier Defaults in Python

I am attempting to use XGBoosts classifier to classify some binary data. When I do the simplest ... /stackoverflow.com/questions/34674797/xgboost-xgbclassifier-defaults-in-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

953 views

1 answer

scikit learn - where to put freeze_support() in a Python script?

I am confused about using freeze_support() for multiprocessing and I get a Runtime Error without it. I am only ... /24374288/where-to-put-freeze-support-in-a-python-script...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

scikit learn - where to put freeze_support() in a Python script?

I am confused about using freeze_support() for multiprocessing and I get a Runtime Error without it. I am only ... /24374288/where-to-put-freeze-support-in-a-python-script...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

966 views

1 answer

scikit learn - F1-Score Averaging for Transformed Binary Classification Problem

I have a problem in understanding how micro-averaging works for F1-score. First, I'll explain the ... /66049724/f1-score-averaging-for-transformed-binary-classification-problem...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

977 views

1 answer

scikit learn - Python sklearn installation Error on windows

when I try to install sklearn library(on windows): pip install sklearn I got this error: ERROR: ... .com/questions/66058351/python-sklearn-installation-error-on-windows...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

scikit learn - Random Forest "Feature Importance"

I am currently working on Random Forest Classifier. One of the parameters of Random Forest Classifier is ... //stackoverflow.com/questions/66059092/random-forest-feature-importance...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

scikit learn - Python sklearn installation Error on windows

when I try to install sklearn library(on windows): pip install sklearn I got this error: ERROR: ... .com/questions/66058351/python-sklearn-installation-error-on-windows...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

scikit learn - Random Forest "Feature Importance"

I am currently working on Random Forest Classifier. One of the parameters of Random Forest Classifier is ... //stackoverflow.com/questions/66059092/random-forest-feature-importance...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.0k views

1 answer

scikit learn - how to find cluster center in every iteration of k-means sklearn python

How to get cluster centers for each iteration of KMeans in scikit-learn using Python. from sklearn.cluster ... (X) print(kmeans.n_iter_) centroid.append(kmeans.cluster_centers_)...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.2k views

1 answer

scikit learn - What's the default score function in validation_curve in sklearn?

I'm running the following line of code: validation_curve(PolynomialRegression(),X,y, param_name='polynomialfeatures__degree', ... None, then how can they compute a score?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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