Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 204

Object detection model's performance jumping up and down

I am training a model to detect buildings from satellite images in rural Africa. For labels, I use OpenStreetMap geometries. I use the Tensorflow Object Detection API and SSD Inception...

Asked on 02/27/2021

0 answer

how do the number of classes in an object detection model affect accuracy?

If I have, say, a Yolo or RetinaNet Object Detection Model... if I train it with 10 vs 50 classes, (assuming 3000 training data images per class), will the model...

Asked on 02/27/2021

1 answer

How to verify a CNN encoder works as expected?

I am using CNN as a part of kernel warping. The purpose here is to reduce input dimension (from N*M to K *1). The input data is not image data....

Asked on 02/26/2021 by TuTu

1 answer

ValueError: Input contains NaN, infinity or a value too large for dtype('float32')

I got ValueError when predicting test data using a RandomForest model. My code:clf = RandomForestClassifier(n_estimators=10, max_depth=6, n_jobs=1, verbose=2)clf.fit(X_fit, y_fit)df_test.fillna(df_test.mean())X_test = df_test.values y_pred = clf.predict(X_test)The error:ValueError: Input contains...

Asked on 02/26/2021

10 answer

Do I have to use neural networks in a generative adversarial network?

I've only seen examples that use (various types of) neural networks for both the discriminative and generative model. Is it not sound to use say, a logistic regression model for...

Asked on 02/26/2021 by Austin Capobianco

0 answer

Is the way to combine weak learners in AdaBoost for regression arbitrary?

I'm reading about how variants of boosting combine weak learners into final predication. The case I'm consider is regression. In paper Improving Regressors using Boosting Techniques, the final...

Asked on 02/26/2021

1 answer

Can I use LSI (Latent Semantic indexing) to get similar docs for several documents at the same time?

I'm working on a Recommander system in which I'm using LSI to get similarities between videos.I wonder if I can provide to LSI matrix more than one document and...

Asked on 02/26/2021

0 answer

Determine if a piece of text is a job ad

I am interested in learning more about the field of ML and more specifically in text classification. Given a piece of text, is there any technique or algorithm to determine...

Asked on 02/26/2021 by james_bond

2 answer

R: saving/printing all intermediate results

currently, we have developed a model at work and it is at the verification step. the goal is for another person to receive output from each and every step of...

Asked on 02/26/2021 by An Nguyen

0 answer

Why does PCA assume Gaussian Distribution?

From Jon Shlens's A Tutorial on Principal Component Analysis - version 1, page 7, section 4.5, II:The formalism of sufficient statistics captures the notion that the ...

Asked on 02/26/2021 by Math J

2 answer

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