Category "machine-learning"

sklearn RandomForestRegressor discrepancy in the displayed tree values

while using the RandomForestRegressor I noticed something strange. To illustrate the problem, here a small example. I applied the RandomForestRegressor on a tes

ValueError: logits and labels must have the same shape ((None, 328, 328, 3) vs (None, 1)) with autoencoder

I am trying to build an autoencoder with the following code import matplotlib.pyplot as plt import numpy as np import pandas as pd import seaborn as sns import

Loss not decreasing - Pytorch

I am using dice loss for my implementation of a Fully Convolutional Network(FCN) which involves hypernetworks. The model has two inputs and one output which is

Loss not decreasing - Pytorch

I am using dice loss for my implementation of a Fully Convolutional Network(FCN) which involves hypernetworks. The model has two inputs and one output which is

ValueError: multiclass format is not supported , xgboost

My first multiclass classication. I have values X and Y. Y have 5 values [0,1,2,3,4]. But i get this "multiclass format is not supported". Understand that i nee

Catboost hyperparams search

I want to use default hyperparams in randomized search, how can I do it? (per_float_feature_quantization param here) grid = {'learning_rate': [0.1, 0.16, 0.2],

Vectorized form Derivation of Multiple Linear Regression Cost Function

Can some one with expertise explain how the following vectorized format of multiple linear regression is derived from given independent variable matrix with int

How do custom input_shape for Inception V3 in Keras work?

I know that the input_shape for Inception V3 is (299,299,3). But in Keras it is possible to construct versions of Inception V3 that have custom input_shape if

Extract misclassified images using CNN keras

I am having difficulties extracting misclassified images, I tried to use the following line of code: inc= np.nonzero(model.predict_classes(test_data).reshape(-

How to plot the cluster's centroids using seaborn

Basically, I want to plot like this: I already managed to plot the clusters using sns.scatterplot(X[:,0], X[:,1], hue=y, palette=['red', 'blue', 'purple', 'gre

how to log hydra's multi-run in mlflow

I am trying to manage the results of machine learning with mlflow and hydra. So I tried to run it using the multi-run feature of hydra. I used the following cod

url generated for Streamlit not working properly. ngrok tells me to register again even though I have already registered or gives me an error

Below is my code for deploying my ml model on streamlit. I am using Google Collab !pip install streamlit --quiet !pip install pyngrok==4.1.1 from pyngrok import

Is there any documentation about default weight initializer in Keras? [duplicate]

I just read about the Keras weight initializers in here. In the documentation, only different initializers has been introduced. Such as: mode

Number of distinct clusters in KMeans is less than n_clusters?

I have some food images stored in a single folder. All the images are unlabeled, nor are they stored into separate folder such as "pasta" or "meat". My current

Why the initialization of weights in darknet?

there! I am studying Mr. Redmon's darknet code from https://github.com/pjreddie/darknet I found the initialization of weights of a connected layer is like below

Why the initialization of weights in darknet?

there! I am studying Mr. Redmon's darknet code from https://github.com/pjreddie/darknet I found the initialization of weights of a connected layer is like below

How to Setup Adaptive Learning Rate in Keras

Below is my code: model = Sequential([ Dense(32, input_shape=(32,), activation = 'relu'), Dense(100, activation='relu'), Dense(65, input_shape=(65

How do you read Tensorboard files programmatically?

How can you write a python script to read Tensorboard log files, extracting the loss and accuracy and other numerical data, without launching the GUI tensorboar

Plotting learning curve in keras gives KeyError: 'val_acc'

I was trying to plot train and test learning curve in keras, however, the following code produces KeyError: 'val_acc error. The official document <https://k

Identify author name, book name from a string obtained with OCR

After using tess4j(OCR library) on a photo of a book preface, i obtain the text from the image. Now, i want to identify author name, book name from that string.