Different weights of false positive and false negative in neural network?

Posted by liborw on Stack Overflow See other posts from Stack Overflow or by liborw
Published on 2010-03-25T22:48:34Z Indexed on 2010/03/25 22:53 UTC
Read the original article Hit count: 135

Filed under:

artificial-neural-network

|

matlab

Hello, I have a yes no classification problem, and false positive is worse than false negative. Is there a way how to implement this fact into neural network especially in Matlabs Neural Network Toolbox? Thanks

© Stack Overflow or respective owner

Related posts about artificial-neural-network

Support Vector Machine or Artificial Neural Network for text processing?

as seen on Stack Overflow - Search for 'Stack Overflow'
We need to decide between Support Vector Machines and Fast Artificial Neural Network for some text processing project. It includes Contextual Spelling Correction and then tagging the text to certain phrases and their synonyms. Which will be the right approach? Or is there an alternate to both of… >>> More
Artificial neural network

as seen on Stack Overflow - Search for 'Stack Overflow'
hai this is naveena My guide given a simple example to solve in artificial neural network and PSO If any body help then i m very happy the example is `A B C a1 b1 c1 a2 b2 c2 how i have to solve manually i cannot understand plz any help me and send a mail to this… >>> More
Need help with artificial neural network

as seen on Stack Overflow - Search for 'Stack Overflow'
I have an input data for neural network that consists of 2 vectors with 200 elements, that i got from some program for generating signals. So it is actually 2x200 input to my nnet. As target data, i have one 1x200 vector that i also got from the same program. That is my training data set. I gather… >>> More
What problems have you solved using artificial neural networks?

as seen on Stack Overflow - Search for 'Stack Overflow'
I'd like to know about specific problems you - the SO reader - have solved using artificial neural network techniques and what libraries/frameworks you used if you didn't roll your own. Questions: What problems have you used artificial neural networks to solve? What libraries/frameworks did you… >>> More
Neural Net Optimize w/ Genetic Algorithm

as seen on Stack Overflow - Search for 'Stack Overflow'
Is a genetic algorithm the most efficient way to optimize the number of hidden nodes and the amount of training done on an artificial neural network? I am coding neural networks using the NNToolbox in Matlab. I am open to any other suggestions of optimization techniques, but I'm most familiar… >>> More

Related posts about matlab

Importing matlab functions in matlab

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I have some Matlab functions defined in .m files and I'd like to import them into Matlab (as in I'd like them to form part of the commands). Is this possible please and how can I do this? Thank you very much and regards, Krt_Malta >>> More
c# with matlab dll should be running on pc without matlab

as seen on Stack Overflow - Search for 'Stack Overflow'
hi, i have a very big problem. ich wrote a programm which is using a matlab dll. i build some classes with the matlab .net builder. it runs on my pc :) the problem is, i want to use ist on a pc without matlab. so i installed mcr, but it dont run :( what are the steps i should do? the system variable… >>> More
Matlab and .NET Interaction

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi All! I'm having an issue interacting between Matlab and .NET. I've managed to call .NET methods from Matlab code and vice versa. However, if I call a .NET method that, in turn, instantiates a Matlab object, it crashes (with a type initialization exception). Think about this scenario: a .NET… >>> More
Matlab matrix replacement assignment gives error

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello, when i tried to update some part of a matrix, i got the following error message: ??? Assignment has fewer non-singleton rhs dimensions than non-singleton subscripts My code tries to update some values of a matrix that represent a binary image. My code is as follows: outImage(3:5,2:4,1) =… >>> More
MATLAB matrix replacement assignment gives error

as seen on Stack Overflow - Search for 'Stack Overflow'
I tried to update some part of a matrix, I got the following error message: ??? Assignment has fewer non-singleton rhs dimensions than non-singleton subscripts My code tries to update some values of a matrix that represent a binary image. My code is as follows: outImage(3:5,2:4,1) = max(imBinary(3:5… >>> More