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CalebJones


Last seen: 4 years ago |  Active since 2019

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How to delete values when value is 3&4 then 7&8 then 11&12....
I have attached a mat file below. 1 repeates like 162 times 2 repeates like 172 times I want to keep 1 & 2 remove 3&4 ...

5 years ago | 2 answers | 0

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Question


Delete 335 values every 335th time.
Say, x = randn(26672,1); How to go about that, without messing uo my data? 1 to 334 keep 335 to 770 delete repeate this.......

5 years ago | 2 answers | 0

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Answered
Sorting matrix while removing zero values and keeping track of index at the same time.
[a,ind] = sort(totalAmplitude); bb = [a;ind]'; check = find(bb == 0); bb(check,:) = [];

5 years ago | 0

| accepted

Question


Sorting matrix while removing zero values and keeping track of index at the same time.
This is after sorting but with zero values as well. [a,ind] = sort(totalAmplitude); bb = [a;ind]'; I want to eliminate the ze...

5 years ago | 2 answers | 0

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answers

Question


Find the exact multiple of a number by zero padding values.
Say A = 13848 x 1 and I want to reshape into a 173(matters a lot) by 80 or 81(this doesn't matter) but that isn't possible as...

5 years ago | 2 answers | 0

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Question


repeating elements in weird fashion.
(1,1) = 162 so after reading this it has to repeat 'X' 162 times vertically (1,2) = 173 so after reading this it has to repe...

5 years ago | 1 answer | 0

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Question


repeat elements ('a','b') where 'a' has to repeat 157 times and 'b' has to repeat 173 times, sequentially?
157 values of 'a' then 173 values of 'b'

5 years ago | 1 answer | 0

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Question


How to sort my signal based on the frequency domain? low to high
So i have 100 features from R-ICA. Some of the signals are very high frequency and a few, say 11 out of 100 are low frequency. ...

5 years ago | 1 answer | 0

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Question


convert the table which has both number and string as csv or arff (WEKA) ?
I'm unable to convert this into csv or arff file.

5 years ago | 0 answers | 0

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Question


How to concatenate all these cells vertically?
I have attached the file below. I'm unable to concatenate these cells verically.

5 years ago | 1 answer | 0

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Question


How to develop a number selector using matlab app designer?
classdef tutorialApp < matlab.apps.AppBase % Properties that correspond to app components properties (Access = publi...

5 years ago | 2 answers | 0

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Question


How to control mouse pointer?
if value is left go left. if value is right go right. if value is rest stop pointer in its current position or bring back to ...

5 years ago | 0 answers | 0

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Question


I wanted to combine these cells into a table.
I wanted to perform horzcat to this.

5 years ago | 1 answer | 0

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Question


I wanted to iterate this piece of code for 10 seconds.
disp('Opening an inlet...'); inlet = lsl_inlet(stream_result{1}); [vec,ts] = inlet.pull_sample(); start = ts; fNIRS_recor...

5 years ago | 1 answer | 0

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answer

Question


Wanted to check if a variable exits or not within 'nirsinfo'.
if exist(nirsInfo.RawDataInfo.checking,'var') == 1 disp("file exists"); else disp("doesnt"); end Here since the .ch...

5 years ago | 1 answer | 0

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Question


Is it possible to use classification learner app built in MATLAB for real time prediction??
From a stream of data flowing in from a port, can that be used for real time analysis ?

5 years ago | 1 answer | 0

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Question


need help with State estimation using Kalman Filtering or time varying kalman filter ...
This is fNIRS signal basically changes in heomoglobin concentration during a particular stimuli in the motor cortex region of ...

5 years ago | 0 answers | 0

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Question


Change value of states "active" to 1 and "rest" to -1
I have attached a mat file for your reference.

5 years ago | 1 answer | 0

1

answer

Question


Best way prepare data for classification learning
How do i prepare this dataset such that i can calculate mean,slope,kurtosis,skewness,peak as the features of this data. With ...

5 years ago | 0 answers | 0

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Question


So I wanted to split the 1X15 cell to different cells.
Yes this is a screenshot of a screenshot. So I have a 1x15 cell Each (cell)column is one channel so a total of 15 channels. ...

5 years ago | 1 answer | 0

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Question


How to calculate variance?
matrix of 1510 x 15? 15 is number of channels...so i wanted variance of every channel.

5 years ago | 1 answer | 0

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i wanted the slope with respect to time frame
I wanted to calculate slope of channel 1 to 15 with respect to the time frame. The values in the tables are HbO values which sho...

5 years ago | 2 answers | 0

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deleting a row based on index.
HbO_index = find(xyz1 > 7.5);%link the index with the HbO table and eliminate the bad channels HbO_good_channel = HbO; % fo...

5 years ago | 1 answer | 0

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Question


Eliminating channels based on coefficient of variance .
1 to 20 columns are the number of channels. Coeff of Varience is 7.5 which is saved in variable say thresh_cv which I dynamical...

5 years ago | 1 answer | 0

1

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Question


i wanted to find slope of 1 and 2....
1 and 2 is channel 1. 3 and 4 is channel 2. likewise till 19 and 20 which is channel 20. I wanted to calculate slope of chan...

5 years ago | 0 answers | 0

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Question


So i wanted a dynamic way to read 3 files from these folders with extensions .w1 , .w2 and .hdr into variables.

5 years ago | 1 answer | 0

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Question


So i wanted to add a column to this table.
Code for=> at the 2nd column i wanted to add data in form of an iteration.Starting with string 'Rest' from 1 to 202 then 202 to...

5 years ago | 2 answers | 0

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