photo

Joana


Last seen: 2년 초과 전 2018년부터 활동

Followers: 0   Following: 0

메시지

통계학

  • First Answer
  • Revival Level 1
  • Thankful Level 3
  • First Review

배지 보기

Feeds

보기 기준

답변 있음
Error in running loop for importing .cnt data file for multiple files
Hey Luke Did you end up solving this problem.? Currently i am facing the exact same error actually.

대략 3년 전 | 0

질문


How to implement shrinkage LDA?
Hi I have a classification task where i want to use shrinkage LDA, i have worked with simple LDA but i don't know how i can d...

대략 3년 전 | 답변 수: 1 | 0

1

답변

질문


How to downsample a 3-D matrix data?
Hi I have a 3-D matrix (A) of order a x b x c. And the data is recorded at 1056Hz sampling frequency. The data is already fil...

대략 3년 전 | 답변 수: 1 | 0

1

답변

질문


How to zero mean a 3-D array
Hi I have a 3-D matrix of size a x b x c. Where a is actually the sample value i want to zero mean. Is it possible to zero ...

대략 3년 전 | 답변 수: 2 | 0

2

답변

질문


Concatenate 3-D matrix in a for loop
Hi I have 25 matrices of 3-D 150x66x1000. I need to concatenate them in a for loop to get an output of 3750x66x1000. How can...

3년 초과 전 | 답변 수: 3 | 0

3

답변

질문


Default learning rate and initial weights for trainscg neural network
Hi I am trying to train a neural network with trainscg function. and i want to know the default parameters for following: 1:...

3년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to select 10% of a matrix with an increment of 10% until 80%
Hi I have a matrix x with size 200x353. I need to sleect 10% of the matrix with an incerement of 10% until 80%, so something li...

3년 초과 전 | 답변 수: 1 | 0

1

답변

질문


Leave one out of an array in a for loop
Dear all I have a program where i need to save one variable separately and concatenate i-1 elements in another variable (Then...

3년 초과 전 | 답변 수: 1 | 0

1

답변

질문


Select sample from an array
Hello I have an array of 200x259 samples. I need to make a new array of all the rows but for column i have to reject 3 samples ...

3년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to calculate peak voltages of a waveform.?
I have an EEG potential waveform, which has multiple peaks (Positive and negative). I'm using the findpeaks function to find the...

4년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to take Mean of cell array ?
Hi I have a struct variable A with 1x15 cell, where each cell array is of variable size in it's 1st dimension and other two dim...

4년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to save data at each iteration in a cell array?
Hi, I have saved data sests where i have two variables of 3-D, A and B. I want to load it for each subject and save it in a cel...

4년 초과 전 | 답변 수: 1 | 0

1

답변

질문


Error using table.init (line 401) The VariableNames property must contain one name for each variable in the table.
Hi I am trying to save the variables in the form of .xls table but it gives the following error: Error using table.init (line ...

4년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How can I test a trained Neural Network Model on new test data?
Hi, I am trying to test a trined NN model in MATLAB but it's giving the wrong output. I have trained the model on input of or...

4년 초과 전 | 답변 수: 0 | 0

0

답변

질문


How to process files of a particular order in MATLAB?
Hi I have saved data for multiple subject's, multiple sessions with the following name format: Sub1_S1_Epochs,Sub1_S2_Epochs,...

4년 초과 전 | 답변 수: 1 | 0

1

답변

질문


How to test neural network trained model?
Hi I am using NN for classification purpose, i know how to do this for one subject, by didviding the data in training:testing...

4년 초과 전 | 답변 수: 1 | 0

1

답변

질문


Dot indexing is not supported for variable of this type.
Hi all, I want to use EEGLAb function to remove the epochs with a value greater than +-150uV in the time interval of 0-0.8ms. I...

4년 초과 전 | 답변 수: 2 | 0

2

답변

질문


Save variables in a folder
Hi, I have written a code to extract 'epochs' from 'data'. I need to save 'ErrPsEpochs' and 'NonErrPsEpochs' for each subject a...

4년 초과 전 | 답변 수: 1 | 0

1

답변

질문


Calculate mean of an array in time windows.
Hi i have EEG data recorded at 1200hz from 5 channels, for 10 repetitions, and i need to calculate mean of each 1s signal in 10...

4년 초과 전 | 답변 수: 1 | 0

1

답변

질문


Spectrogram of EEG Signal
Hello I have EEG signals which i need to classify, for that i need to change the EEG signals to the Images, i.e by taking spect...

거의 5년 전 | 답변 수: 0 | 0

0

답변

질문


Maximum number of input neurons to the neural network
Hi, I have EEG data to classify, for 2 classes. The data dimesnion is 30000x512. Where 512 is the number of samples (50:50 for ...

거의 5년 전 | 답변 수: 1 | 0

1

답변

질문


How to save a neural network to test on a new dataset?
Hi, I am using the following code to train and test NN for 2-class classification. I need to save the trained network to test o...

거의 5년 전 | 답변 수: 1 | 0

1

답변

질문


How to prepare the Input for feedforward neural network?
Hi All, I have to use feedforward neural network for 2-class classification problem. I have EEG data (of 1s, recorded at the sa...

거의 5년 전 | 답변 수: 1 | 0

1

답변

질문


Repeat 3-D array elements
Hi I have a 3-d array x of size 67x960x80. I need to repeat the elements of the array 3 times to make it an array of size 67x96...

거의 5년 전 | 답변 수: 1 | 0

1

답변

질문


Index must be a positive integer less than or equal to the number of test sets.
Hi i'm trying to create 10-fold cross validation for my CNN. To create the 10 batches I'm using a for loop, but it's giving thi...

거의 5년 전 | 답변 수: 1 | 0

1

답변

질문


'Index must be a positive integer less than or equal to the number of test sets.'
Hi i'm trying to create 10-fold cross validation for my CNN. To creat the 10 batches i'm using for loop, but it's giving this e...

거의 5년 전 | 답변 수: 0 | 0

0

답변

질문


Divide the matrix randomly, based on columns
Hi I have a matrix x of size 78000x204. I need to divide it into nonoverlapping but random 70:15:15 percent of the data, based ...

거의 5년 전 | 답변 수: 1 | 0

1

답변

질문


Shuffle the rows a matrix
Hi I have a matrix x of size 512x3600, and another matrix y=512x1, I need to shuffle the entire rows of matrix x and alement of...

거의 5년 전 | 답변 수: 1 | 0

1

답변

질문


String to Categorical array
Hi I have an array of x=[zeros(1,120) ones(1,240)]; I want to convert it into a categorical array of 'Z' of size 1x120 and 'O...

거의 5년 전 | 답변 수: 1 | 0

1

답변

질문


COnvert 3d matrix to 2D
I have a matrix of x=1200x30x410, i need to change it to 2D as x=3600x410. How to do that.? it gives an error by using reshape ...

거의 5년 전 | 답변 수: 1 | 0

1

답변

더 보기