# lil brain

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Question

Error: Index in position 2 exceeds array bounds.

Hi, I have a loop that loops over the cells in "balls_xyz". If the loop encounters a cell that is empty it is supposed to skip ...

11 months ago | 1 answer | 0

### 1

answerQuestion

Error when calculating the distance between two three-dimensional points

Hi, I have a cell array that contains cells in which there are numerical arrays with 9 columns. In that numerical array the col...

11 months ago | 1 answer | 0

### 1

answerQuestion

How do I loop over all columns in a cell array?

The following code caluclates the outliers above 3 standard deviations for a single column in balls_data{2,1}(:,1). data = ball...

1 year ago | 3 answers | 0

### 3

answersQuestion

How can I do data cleaning/ data smoothing?

I have a cell array called "pre_data" with 1 column and 27 rows. Each element in the column contains a cell with 21 columns and ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Imputing missing values for a RM-ANOVA

I have 4 experimental groups/conditions and 5 measurement times for each group/condition. Each participant only took part in one...

1 year ago | 0 answers | 0

### 0

answersQuestion

Why do I get: Error using sum Invalid data type. First argument must be numeric or logical?

Hi, I have a cell array called "pre_data" with 1 column and 27 rows. Each element in the column contains a cell with 21 colums ...

1 year ago | 1 answer | 0

### 1

answerQuestion

How do I cut the columns in a cell of a cell array according to values in a numerical array?

Hi, I have the following problem at hand: I have a cell array called alldata with 24 cells. The first column in each cell of a...

1 year ago | 1 answer | 0

### 1

answerQuestion

Why does Matlab turn values of 100 into 1 when importing from csv files?

Hi, I use the following code to import data from csv files. [file_list,path_n] = uigetfile('*.csv', 'Grab csv', 'Multiselect'...

1 year ago | 0 answers | 0

### 0

answersQuestion

Error using discretize: Bin edges must be a vector that is real, numeric or logical, and monotonically increasing.

Hi, I have the following code: N = numel(newdata); split_newdata = cell(1,N); split_newdata_mean = cell(1,N); for ii = 1:N...

1 year ago | 1 answer | 0

### 1

answerQuestion

Why are some csv files imported incorrectly into my cell array?

Hi, I have a cell array called alldata whcih contains the contents of 24 csv files. However, when importing these files I can s...

1 year ago | 1 answer | 0

### 1

answerQuestion

How do I remove "nested/deeper" layers of a cell?

Hi, I have a cell called new_mat that has 2 levels (if I double click on a cell then another cell with the same value opens). I...

1 year ago | 1 answer | 0

### 1

answerQuestion

How do I average columns in cell array if some cells are empty?

Hi, I have a cell array called new_mat. I would like to compute the mean of all the values in each column and save the result i...

1 year ago | 2 answers | 0

### 2

answersQuestion

How do I average all the values for each column in a cell array?

Hi, I have a cell array called new_mat. I would like to compute the mean of all the values in each column and save the result i...

1 year ago | 2 answers | 0

### 2

answersQuestion

How do I convert a cell array with multiple values per cell into a numerical array with multiple rows?

Hi, I have a cell array called split_newdata_mean which contains multiple cells. Each of these cells contains five values in fi...

1 year ago | 2 answers | 0

### 2

answersQuestion

How do I compare the order of rows in cell array with a matrix?

Hi, I have a numerical array called split_points_rounded and a cell array called valid_high_IDs. The first column of split_poin...

1 year ago | 1 answer | 0

### 1

answerQuestion

How do I compare values in a cell array with values in another array and split the columns accordingly?

Hi, I have a cell array called newdata. Each cell contains two columns. The first contains seconds and the first column contain...

1 year ago | 1 answer | 0

### 1

answerQuestion

Error: Left and right key variables are not comparable because one is a non-cell

Hi, I have two tables which I want to join using the join() function. However, when I try to join them together like so: load ...

1 year ago | 1 answer | 0

### 1

answerQuestion

How do I sort an array according to the first column?

Hi, I have a cell array which I would like to sort according to the first column. But when I try using high_emp_sort = sort(h...

1 year ago | 1 answer | 0

### 1

answerQuestion

How do I concatenate cell arrays and line up the rows according to matching items in a column?

Hi, I have a few arrays (results from different tests) that all have the same first column (list of the participant IDs that pe...

1 year ago | 0 answers | 0

### 0

answersQuestion

How do I index individual columns in an array?

Hi, I have a fairly basic question that I cant seem to solve. I have an array "high_perspective_taking" which has values from ...

1 year ago | 1 answer | 0

### 1

answerQuestion

How do I only keep the rows that match the values of the rows in a different list?

Hi, I have this large cell array (low_condition) that contains participant IDs in the first row. I have a second list of IDs (v...

1 year ago | 1 answer | 0

### 1

answerQuestion

How can I skip empty cells when averaging during a function?

Hi, I have a function in which I average the values of the doubles within each cell of a cell array. for i = 1:length(explaine...

2 years ago | 1 answer | 0

### 1

answerQuestion

Anybody here familiar with detrended fluctuation analysis (DFA)?

To those who are familiar with detrended fluctuation, I am trying to figure out why the result of running a detrended fluctuati...

2 years ago | 1 answer | 0

### 1

answerQuestion

Problem when using fitrm() function for ANOVA and getting an incomplete output

Hi, for clarity, I have a data set with 36 participants in two conditions called "high and low (18 per condition). In each co...

2 years ago | 1 answer | 0

### 1

answerQuestion

How do I save multiple PCA results in a cell array? Error: Brace indexing not supported

Hi, I have this raw data set which includes 18 participants. Each participants raw data (21 columns) is saved in a cell. I woul...

2 years ago | 1 answer | 0

### 1

answerQuestion

How do I correctly apply fitrm?

Hi, I have a data set with two conditions ("H" and "L") and 36 participants. Each participant was measured five times in phases...

2 years ago | 0 answers | 0

### 0

answersQuestion

Why do I get the error "Undefined function 'fitrm' for input arguments of type 'table' " ?

Hi, I am running into the following error when running the following code: condition = ... ['H' 'H' 'H' 'H' 'H' 'H' 'H' '...

2 years ago | 1 answer | 0

### 1

answerQuestion

What does it mean to take the absolute of an complex number? And why is it always positive?

Hi, I have a number which is part imaginary or complex. -0.993061325012476 + 1.03511742045580e-16i When I use the function ab...

2 years ago | 3 answers | 0

### 3

answersQuestion

Why do I get a different result when running code in editor vs. in command window?

Hi, I have a very strange bug which I cant seem to fix. When I run the following code in either the editor or the command windo...

2 years ago | 1 answer | 0

### 1

answerQuestion

How do I calculate the acceleration using only 3D distances?

Hi, I have a list of distances in each cell of acc_dist . The first three columns in each cell are xyz coordinates. So column o...

2 years ago | 1 answer | 0