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ClassifierMeasurements returns strange errors

I am following the example listed on this page ResNet 50 to train a custom classifier and inspect the outcome with ClassifierMeasurements. My training set has 443 images from more than 30 classes. The ...
bhopshang's user avatar
  • 739
6 votes
0 answers
186 views

How can I prevent errors with ReplicateLayer[]?

I am trying to build a NetGraph[] that takes input of the form {{0.6},{0.6},...,{0.8},{0.8}} and multiplies the last sequence ...
Jmeeks29ig's user avatar
  • 1,447
0 votes
0 answers
66 views

Unable to replicate Predict/NeuralNetwork example from Help Pages

I am trying to replicate an example right out of the help manual (ref/method/NeuralNetwork). This example compares the convolutional NN versus a fully-connected NN....
dearN's user avatar
  • 5,391
3 votes
0 answers
199 views

Bug in the classification optimization algorithm for large data sets

I believe that I encountered a bug in Mathematica 12. The Classify[] function throws errors when simultaneously: The training set has significantly above $10^5$ ...
Druid's user avatar
  • 395
2 votes
0 answers
90 views

Confusing errors using predict to map between matrices

I'm messing around with the new features involving machine learning in Mathematica 11, and one easy thing to try is to make a machine learn the matrix exponential function. The first silly idea I had ...
miggle's user avatar
  • 667
4 votes
1 answer
206 views

Value for output of layer is inconsistent (implementing SqueezeUNET from Keras)

I'm attempting to implement this neural network in WL: https://github.com/lhelontra/squeeze-unet/blob/master/squeezeunet.py which is a variant of the SqueezeNet network that does image segmentation. ...
Carl Lange's user avatar
  • 13.2k
11 votes
1 answer
870 views

How to use an external GPU to train neural networks in Mathematica?

Taking steps in the uncharted territories of eGPUs, I have installed an NVIDIA GeForce Titan Xp GPU on an eGPU enclosure (Mantiz MZ-02) and have connected it to my laptop (HP Spectre x360 - 15-bl075nr ...
Miladiouss's user avatar
  • 1,883
1 vote
0 answers
116 views

What is the error in this example of training a SVM model

...
BetterEnglish's user avatar
6 votes
1 answer
780 views

Sentiment analysis of tweets

I want to use Mathematica for a sentiment analysis on tweet-messages. For that purpose i selected several tweets. Each tweet is interpreted by myself as positive (pos) of negative (neg). For example: ...
Michiel van Mens's user avatar