Jack Latham

Last seen: environ 3 ans il y a | Actif depuis 2016

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Can you train a classification model to prioritise precision?
I'm working on a binary classification problem where the precision of classifying a particular class is far more valuable than o...

plus de 3 ans il y a | 1 réponse | 0

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Question

Methods to filter a feature matrix to change balance of labels (binary classification)?
I am working on a binary classification problem that is very unbalanced, e.g., 90% class 0, and 10% class 1. I am experimenting ...

plus de 3 ans il y a | 1 réponse | 0

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Question

Could someone give an example of how to calculate ARMA PSD values?
I'd like to estimate psd values for an audio sample using an ARMA approach, but can't seem to quite work out how to do it! If so...

plus de 4 ans il y a | 1 réponse | 0

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Question

How to record audio continuously, and have access to last x seconds of data??
I would like to be able to record audio continuosly, and be able to process the last say 10 seconds of data. The recording may ...

presque 5 ans il y a | 2 réponses | 0

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Question

Make UIAxes invisible/visible when stacked in App desginer..
I'm using App designer to desing an app.. I have a couple of UIAxes stacked above each other, and am trying to set ones I want t...

presque 5 ans il y a | 1 réponse | 0

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Question

How to compile gtcc.m?!
I have code that extracts a number of features, including gammatone cepstral coefficients using the matlab function gtcc. This ...

presque 5 ans il y a | 1 réponse | 0

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A clever way to have dynamic output variables from a function??
I have a function which creates a feature matrix with ~1500 different features, I'd like to pass an index of selected features t...

environ 5 ans il y a | 1 réponse | 0

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Question

"Undefined function or variable" when the directory is correct, and function is there!?
I'm having a frustrating issue with MATLAB, I'm very often getting an error - "Undefined function or variable" when calling a fu...

environ 5 ans il y a | 1 réponse | 0

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Question

TCP/IP data collection from instrument w/o any information
I'm trying to stream data from an ultrasound device, and am not getting very far. Any help/suggestions would be FABULOUS. So I...

plus de 5 ans il y a | 1 réponse | 0

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Question

How to get label order w.r.t. scores from classification?
I've got a number of different neural network models, which I can classify images by using, [Labels, scores] = classify(net,...