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Tensorflow model works for classification but not for regression (all predictions equal the output layer bias)

I'm trying to build a model for FX prediction. It's giving some promising results for classifying each period as buy/sell/neutral. When used as a classifier, actual returns are...

Asked on 10/15/2020 by SuperCodeBrah

1 answer

Whether scaling is useful for a regression model?

Linear Regression and scaling of data I find contradiction in two answers to question-30302 regarding effect of scaling.The scaling essentially should help us generate better measures? How can we...

Asked on 10/14/2020 by Subhash C. Davar

0 answer

the library 'transformers' works also with older version of Tensorflow?

i am working with Tensorflow version 1.14 and i would like to use the bert embedding.In order to do so, i was thinking to use the transformers library( ...

Asked on 10/14/2020 by ElisabettAa

1 answer

How to group chat messages by topic?

I am a newbie in this field. Developer since 20 years and more but never done anything (except tutorials) with ML, DL, and NLP. Though I've already read a bunch...

Asked on 10/14/2020 by Marco Frisan

1 answer

AUC on ROC Curve near 1.0 for Multi-Class CNN but Precision/Recall are not perfect?

I am building a ROC Curve and calculating AUC for multi-class classification on the CIFAR-10 dataset using a CNN. My overall Accuracy is ~ 90% and my precision and recall...

Asked on 10/13/2020 by Coldchain9

0 answer

Where do I start? I have a massive dataset (from web scraping) and want to predict y from 20 variables

I'm trying to do my best to recreate an algorithm that a company is using by sucking in all of its outputs and adding in some relevant variables (I won't...

Asked on 10/13/2020

1 answer

Output all 1 when try to use ensemble CNN on MNIST dataset

from tensorflow.keras import Sequentialfrom tensorflow.keras.layers import Conv2D, MaxPool2D, Dense, Flatten, Dropout, BatchNormalizationfrom tensorflow.keras.preprocessing.image import ImageDataGeneratorfrom collections import CounterGenerator = ImageDataGenerator(rotation_range = 40, shear_range = 0.15, zoom_range = 0.4)models =...

Asked on 10/12/2020 by Junhan Ouyang

0 answer

Difference between OrdinalEncoder and LabelEncoder

I was going through the official documentation of scikit-learn learn after going through a book on ML and came across the following thing: In the Documentation it is given about...

Asked on 10/12/2020 by Saurabh Singh

3 answer

How to cluster and visualize 3D data in python

I have a 3D dataset of x,y,z points with 2 categories, category A and B. My end goal is to cluster all points in category B into volumes (spheroids/clouds) and...

Asked on 10/12/2020

3 answer

Will the features in the image (edge, color, etc.. ) impacts on the performance of the spherical k-means?

I am very new in Machine learning, I recently implemented the spherical k-means, but finally I found a interesting point from the result. I used four datasets, they are minst,...

Asked on 10/11/2020 by Kreedz Zhen

1 answer

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