Category "machine-learning"

Accumulate 1 and Reset to 0 once condition is met

Currently I have a dataset below and I try to accumulate the value if ColA is 0 while reset the value to 0 (restart counting again) if the ColA is 1 again. Col

How i can extracte x_train and y_train from train_generator?

In my CNN model I want to extract X_train and y_train from train_generator. I want to use ensemble learning, bagging and boosting to evaluate the model. the mai

How to use the output of a CNN as the input of another in an autonomous vehicle

I am developing a mini autonomous car using 3 CNNs and a camera sensor using this approach. One of the CNNs detects lanes on the images and outputs images wit

ValueError: Please initialize `TimeDistributed` layer with a `Layer` instance

I'm trying to build a model which can be trained on both audio and video samples but I get this error ValueError: Please initialize `TimeDistributed` layer with

What should be the class mode for training a multilabel classification model?

I am working on an image classification task to classify among cars and buses. The problem is that in most car images, there is buses in the background and vice

How can I use tensorflow to create a recommendation system that returns a ratings matrix?

I am trying to use Tensorflow to create a recommendation system. What I want to do is to read data from two csv files, one containing 'item_id' and the other co

How to extract 'image' and 'label' out of Tensorflow?

I've loaded in my train and validation sets from CIFAR10 like so: train = tfds.load('cifar10', split='train[:90%]', shuffle_files=True) validation = tfds.load('

Comparing MSE loss and cross-entropy loss in terms of convergence

For a very simple classification problem where I have a target vector [0,0,0,....0] and a prediction vector [0,0.1,0.2,....1] would cross-entropy loss converge

Determining cosine similarity for large datasets

I am currently using a dataset of over 2.5 million images, of which I use the image itself as a comparison to eachother, for use in a content-based recommendati

Google colab : How can i mount two google drive accounts?

I have two google accounts each one contains part of my data and i can,t include the data into one drive because of the size limit. So, I want to know if there

Exception: MissingSchema with Gradio Library

I'm using the gradio library with one of the basic examples, but am getting this error. I am running this in a Google Colab Notebook. Here is the relevant lines

How to import a manually downloaded dataset in Tensorflow?

I know that it can be loaded using tfds.load('nyu_depth_v2') and I have try it but it fails I suspect due to my slow internet connection I have downloaded the d

Azure Databricks keep long-running notebook alive when closing browser

I am working with Azure Databricks jupyter notebooks and have time-consuming jobs (complex queries, model training, loops over many items, etc.). Every time I c

TENSORFLOW: UNSUPPORTABLE CALLABLE

I am trying to build the following model but am getting this error when I am finally training the model and trying to get it's accuracy. It gets stuck when I am

Tensorflow - Value Error in model.fit - How to fix

I am trying to train a Deep Neural Network using MNIST data set. BATCH_SIZE = 100 train_data = train_data.batch(BATCH_SIZE) validation_data = validation_data.b

Python sklearn RandomForestClassifier non-reproducible results

I've been using sklearn's random forest, and I've tried to compare several models. Then I noticed that random-forest is giving different results even with the s

PCA on sklearn - how to interpret pca.components_

I ran PCA on a data frame with 10 features using this simple code: pca = PCA() fit = pca.fit(dfPca) The result of pca.explained_variance_ratio_ shows: array

load_from_checkpoint fails after transfer learning a LightningModule

I try to transfer learn a LightningModule. The relevant part of the code is this: class DeepFilteringTransferLearning(pl.LightningModule): def __init__(self

use part of Keras Sequential model to predict

In the following code I have defined a Sequential model, that contains two parts conv_encoder and conv_decoder. After training the model I want to use conv_enco

ImportError: No module named 'sklearn.lda'

When I run classifier.py in the openface demos directory using: classifier.py train ./generated-embeddings/ I get the following error message: --> fro