Category "scikit-learn"

How to improve the prediction of missing data using sklearn regression?

I need to predict some missing data. I have a dataset of production values over the last 7 year which are supposedly reported hourly. However many datapoints ar

Stratified Sampling in Pandas

I've looked at the Sklearn stratified sampling docs as well as the pandas docs and also Stratified samples from Pandas and sklearn stratified sampling based on

What is the difference between OneVsRestClassifier and MultiOutputClassifier in scikit learn?

Can someone please explain (with example maybe) what is the difference between OneVsRestClassifier and MultiOutputClassifier in scikit-learn? I've read docume

ImportError: No module named model_selection

I am trying to use train_test_split function and write: from sklearn.model_selection import train_test_split and this causes ImportError: No module named m

python warnings.filterwarnings does not ignore DeprecationWarning from 'import sklearn.ensemble'

I am trying to silence the DeprecationWarning with the following method. import warnings warnings.filterwarnings(action='ignore') from sklearn.ensemble import

Roc_curve over number of nearest-neighbors

I'm struggling to re-implement and catch the results of one of the unsupervised anomaly detections, which are shown below: The credit of picture to this paper

returning cov and std from sklearn gaussian process?

I can return the covariance or the standard deviation from a GP using sklearn, like: y, cov = gp.predict(Xpredict,return_cov=True) y, std = gp.predict(Xpredict,

Plot PCA loadings and loading in biplot in sklearn (like R's autoplot)

I saw this tutorial in R w/ autoplot. They plotted the loadings and loading labels: autoplot(prcomp(df), data = iris, colour = 'Species', loadings =

Return confidence score with custom model for Vertex AI batch predictions

I uploaded a pretrained scikit learn classification model to Vertex AI and ran a batch prediction on 5 samples. It just returned a list of false predictions wit

Suppress scientific notation in sklearn.metrics.plot_confusion_matrix

I was trying to plot a confusion matrix nicely, so I followed scikit-learn's newer version 0.22's in built plot confusion matrix function. However, one value of

sklearn: calculating accuracy score of k-means on the test data set

I am doing k-means clustering on the set of 30 samples with 2 clusters (I already know there are two classes). I divide my data into training and test set and t

Import error _euclidean_distances from sklearn.metrics.pairwise

I am working with Orange 3.30.1 trying to use the Python Script widget to add SMOTE to my data classification problem (the Orange team has refrained from implem

Sklearn decision tree plot does not appear

I am trying to follow scikit learn example on decision trees: from sklearn.datasets import load_iris from sklearn import tree X, y = load_iris(return_X_y=True)

How to extract coefficients from fitted pipeline for penalized logistic regression?

I have a set of training data that consists of X, which is a set of n columns of data (features), and Y, which is one column of target variable. I am trying to

How tf-idf model handles unseen words during test-data?

I have read many blogs but was not satisfied with the answers, Suppose I train tf-idf model on few documents example: " John like horror movie." " Ryan w

How to extract only English words from a from big text corpus using nltk?

I am want remove all non dictionary english words from text corpus. I have removed stopwords, tokenized and countvectorized the data. I need extract only the E

How to properly pickle sklearn pipeline when using custom transformer

I am trying to pickle a sklearn machine-learning model, and load it in another project. The model is wrapped in pipeline that does feature encoding, scaling etc

SKLearn: Getting distance of each point from decision boundary?

I am using SKLearn to run SVC on my data. from sklearn import svm svc = svm.SVC(kernel='linear', C=C).fit(X, y) I want to know how I can get the distance of

Why does this decision tree's values at each step not sum to the number of samples?

I'm reading about decision trees and bagging classifiers, and I'm trying to show the first decision tree that is used in the bagging classifier. I'm confused a

How to use manhattan distance for SpectralCluster in sklearn

I am trying to use manhattan distance for SpectralClustering() in Sklearn. I am trying to set the affinity parameter to be manhattan, but getting the following

Other Categories