I have installed the latest version of scikit-video=1.1.11 and the latest version of numpy=1.26.1. When trying to load a video as >>> import skvideo.io >>> skvideo.io.vread('video...

I am trying to decompose a 3D matrix using python library scikit-tensor. I managed to decompose my Tensor (with dimensions 100x50x5) into three matrices. My question is how can I compose the initia...

I'm working with Python and I've implemented the PCA using this tutorial. Everything works great, I got the Covariance I did a successful transform, brought it make to the original dimensions not ...

I'm trying to install scikits.audiolab with pip. I read this post, however, it looks like that user's problem was that they hadn't installed numpy. I can replicate their trace by uninstalling numpy...

After using sklearn.linear_model.LogisticRegression to fit a training data set, I would like to obtain the value of the cost function for the training data set and a cross validation data set. Is ...

scikit-learn provides various methods to remove descriptors, a basic method for this purpose has been provided by the given tutorial below, http://scikit-learn.org/stable/modules/feature_selectio...

Per the scikit-learn user guide, I installed scikit-learn using pip install -U scikit-learn. So using pip search scikit-learn, I get this search result: scikit-learn - A set of python modules for...

I am currently trying to install scikits.audiolab 0.11.0 for Python 3.5.4 on Windows 10 and it requires libsndfile from http://www.mega-nerd.com/libsndfile/. I have installed this into my conda vir...

I want to iteratively fit a curve to data in python with the following approach: Fit a polynomial curve (or any non-linear approach) Discard values > 2 standard deviation from mean of the curve r...

So my code like is: >>> le = preprocessing.LabelEncoder() >>> le.fit(train["capital city"]) LabelEncoder() >>> list(le.classes_) ['amsterdam', 'paris', 'tokyo'] >>...

I want to use ssim to compare similarity in 2 images. I'm getting this error window_shape is incompatible with arr_in.shape . Why? (What does it mean?) from skimage.measure import structural_simi...

Is it possible to have missing values in scikit-learn ? How should they be represented? I couldn't find any documentation about that.

I have a set of data with known labels. I want to try clustering and see if I can get the same clusters given by known labels. To measure the accuracy, I need to get something like a confusion matr...

In most of the Scikit-learn algorithms, the data must be loaded as a Bunch object. For many example in the tutorial load_files() or other functions are used to populate the Bunch object. Functions ...

I have a numpy matrix with shape of (4601, 58). I want to split the matrix randomly as per 60%, 20%, 20% split based on number of rows This is for Machine Learning task I need Is there a numpy fun...

I am using the sknn package to build a neural network. In order to optimize the parameters of the neural net for the dataset I am using I am using an evolutionary algorithm. Since the package allow...

I have write down a simple code that takes One arguments "query_seq", further methods calculates descriptor and in the end predictions can be made using "LogisticRegression" (or any other algorithm...

When attempting to install the scikit-bio toolkit via pip on Windows XP using Python 2.78 and Visual C++ 2008 Express Edition, the process is interrupted with the following message issued by VC: c...

I am looking for a Python package to perform an efficient Constant Q Transform (ie using an FFT to speed up the process). I found a toolbox named CQ-NSGT/sliCQ Toolbox, but I get the following erro...

I am trying to install scikits.audiolab with using the pip tool. Pip appears to run the command python setup.py egg_info from within the scikits.audiolab source directory. When it does so, I get th...

I am using scikit learn 0.15.2 for a multi-class classification problem. I was getting a lot of DeprecationWarnings as follows when following examples like: scikit 0.14 multi label metrics until I ...

I'm new to scikit. I can't find an example using a precomputed distance matrix in Scikit KMeans. Could anybody shed a light now this, better with an example?

I want to know whether LinearSVC supports multi-class classification by default or do we have to wrap it in OneVsRestClassifier like: OneVsRestClassifier(LinearSVC())

I am comparing two Naive Bayes classifiers: one from NLTK and and one from scikit-learn. I'm dealing with a multi-class classification problem (3 classes: positive (1), negative (-1), and neutral (...

I read that the builtin ensemble methods in sklearn use decision trees as the base classifiers. Is it possible to use custom classifiers instead?